Curvature effect induced cutting stress field offset and its influence on the damage of hard and brittle materials
Although many studies on the initiation of glass cracks under contact loads were carried out, specific problems arising under complex machining conditions remain poorly understood. In order to clarify the influence of particle trajectory curvature change on material grinding mechanism, a theoretical...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Zhao, Feifei [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2022transfer abstract |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: DIAGNOSTIC ACCURACY OF ASLA SCORE (A NOVEL CT ANGIOGRAPHIC INDEX) AND AGGREGATE PLAQUE VOLUME IN THE ASSESSMENT OF FUNCTIONAL SIGNIFICANCE OF CORONARY STENOSIS - Munnur, Ravi Kiran ELSEVIER, 2016, Amsterdam [u.a.] |
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| Übergeordnetes Werk: |
volume:303 ; year:2022 ; pages:0 |
| Links: |
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| DOI / URN: |
10.1016/j.jmatprotec.2022.117526 |
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ELV057111294 |
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| 245 | 1 | 0 | |a Curvature effect induced cutting stress field offset and its influence on the damage of hard and brittle materials |
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| 520 | |a Although many studies on the initiation of glass cracks under contact loads were carried out, specific problems arising under complex machining conditions remain poorly understood. In order to clarify the influence of particle trajectory curvature change on material grinding mechanism, a theoretical model of trochoid curvature radius was established, and the main factors affecting trochoid curvature were identified (moving circle radius R, spindle speed n and feed speed v w). Different curvature trochoid scratches were obtained by the experiment of trochoid feed scratches on quartz glass. The experimental results show that the scratch damage of the maximum curvature segment is larger than that of the minimum curvature segment. With the increase of trochoid curvature, material damage inside the scratch is more significant than outside. In order to further explain the distribution characteristics of trochoid scratches. Numerical simulation and theoretical analysis were used to verify the relationship between damage difference and curvature on both sides of the trochoid feed scratch groove. The curvature effect of trochoid feed scratch damage is proposed for the first time, which is used to explain stress field migration and damage distribution caused by trochoid curvature characteristics. This study further supplements and clarifies the removal mechanism of hard and brittle materials, which has theoretical guiding significance for quartz glass high-efficiency and controllable precision grinding. | ||
| 520 | |a Although many studies on the initiation of glass cracks under contact loads were carried out, specific problems arising under complex machining conditions remain poorly understood. In order to clarify the influence of particle trajectory curvature change on material grinding mechanism, a theoretical model of trochoid curvature radius was established, and the main factors affecting trochoid curvature were identified (moving circle radius R, spindle speed n and feed speed v w). Different curvature trochoid scratches were obtained by the experiment of trochoid feed scratches on quartz glass. The experimental results show that the scratch damage of the maximum curvature segment is larger than that of the minimum curvature segment. With the increase of trochoid curvature, material damage inside the scratch is more significant than outside. In order to further explain the distribution characteristics of trochoid scratches. Numerical simulation and theoretical analysis were used to verify the relationship between damage difference and curvature on both sides of the trochoid feed scratch groove. The curvature effect of trochoid feed scratch damage is proposed for the first time, which is used to explain stress field migration and damage distribution caused by trochoid curvature characteristics. This study further supplements and clarifies the removal mechanism of hard and brittle materials, which has theoretical guiding significance for quartz glass high-efficiency and controllable precision grinding. | ||
| 650 | 7 | |a Radius of curvature |2 Elsevier | |
| 650 | 7 | |a Stress field |2 Elsevier | |
| 650 | 7 | |a Trochoid feed scratch |2 Elsevier | |
| 650 | 7 | |a Curvature effect |2 Elsevier | |
| 700 | 1 | |a Lin, Bin |4 oth | |
| 700 | 1 | |a He, Yuanping |4 oth | |
| 700 | 1 | |a Sui, Tianyi |4 oth | |
| 700 | 1 | |a Li, Helin |4 oth | |
| 700 | 1 | |a Zhao, Pengcheng |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier |a Munnur, Ravi Kiran ELSEVIER |t DIAGNOSTIC ACCURACY OF ASLA SCORE (A NOVEL CT ANGIOGRAPHIC INDEX) AND AGGREGATE PLAQUE VOLUME IN THE ASSESSMENT OF FUNCTIONAL SIGNIFICANCE OF CORONARY STENOSIS |d 2016 |g Amsterdam [u.a.] |w (DE-627)ELV014190494 |
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10.1016/j.jmatprotec.2022.117526 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001966.pica (DE-627)ELV057111294 (ELSEVIER)S0924-0136(22)00038-3 DE-627 ger DE-627 rakwb eng 610 VZ 600 690 VZ 51.00 bkl 51.32 bkl Zhao, Feifei verfasserin aut Curvature effect induced cutting stress field offset and its influence on the damage of hard and brittle materials 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Although many studies on the initiation of glass cracks under contact loads were carried out, specific problems arising under complex machining conditions remain poorly understood. In order to clarify the influence of particle trajectory curvature change on material grinding mechanism, a theoretical model of trochoid curvature radius was established, and the main factors affecting trochoid curvature were identified (moving circle radius R, spindle speed n and feed speed v w). Different curvature trochoid scratches were obtained by the experiment of trochoid feed scratches on quartz glass. The experimental results show that the scratch damage of the maximum curvature segment is larger than that of the minimum curvature segment. With the increase of trochoid curvature, material damage inside the scratch is more significant than outside. In order to further explain the distribution characteristics of trochoid scratches. Numerical simulation and theoretical analysis were used to verify the relationship between damage difference and curvature on both sides of the trochoid feed scratch groove. The curvature effect of trochoid feed scratch damage is proposed for the first time, which is used to explain stress field migration and damage distribution caused by trochoid curvature characteristics. This study further supplements and clarifies the removal mechanism of hard and brittle materials, which has theoretical guiding significance for quartz glass high-efficiency and controllable precision grinding. Although many studies on the initiation of glass cracks under contact loads were carried out, specific problems arising under complex machining conditions remain poorly understood. In order to clarify the influence of particle trajectory curvature change on material grinding mechanism, a theoretical model of trochoid curvature radius was established, and the main factors affecting trochoid curvature were identified (moving circle radius R, spindle speed n and feed speed v w). Different curvature trochoid scratches were obtained by the experiment of trochoid feed scratches on quartz glass. The experimental results show that the scratch damage of the maximum curvature segment is larger than that of the minimum curvature segment. With the increase of trochoid curvature, material damage inside the scratch is more significant than outside. In order to further explain the distribution characteristics of trochoid scratches. Numerical simulation and theoretical analysis were used to verify the relationship between damage difference and curvature on both sides of the trochoid feed scratch groove. The curvature effect of trochoid feed scratch damage is proposed for the first time, which is used to explain stress field migration and damage distribution caused by trochoid curvature characteristics. This study further supplements and clarifies the removal mechanism of hard and brittle materials, which has theoretical guiding significance for quartz glass high-efficiency and controllable precision grinding. Radius of curvature Elsevier Stress field Elsevier Trochoid feed scratch Elsevier Curvature effect Elsevier Lin, Bin oth He, Yuanping oth Sui, Tianyi oth Li, Helin oth Zhao, Pengcheng oth Enthalten in Elsevier Munnur, Ravi Kiran ELSEVIER DIAGNOSTIC ACCURACY OF ASLA SCORE (A NOVEL CT ANGIOGRAPHIC INDEX) AND AGGREGATE PLAQUE VOLUME IN THE ASSESSMENT OF FUNCTIONAL SIGNIFICANCE OF CORONARY STENOSIS 2016 Amsterdam [u.a.] (DE-627)ELV014190494 volume:303 year:2022 pages:0 https://doi.org/10.1016/j.jmatprotec.2022.117526 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_21 GBV_ILN_40 GBV_ILN_2009 GBV_ILN_2010 51.00 Werkstoffkunde: Allgemeines VZ 51.32 Werkstoffmechanik VZ AR 303 2022 0 |
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10.1016/j.jmatprotec.2022.117526 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001966.pica (DE-627)ELV057111294 (ELSEVIER)S0924-0136(22)00038-3 DE-627 ger DE-627 rakwb eng 610 VZ 600 690 VZ 51.00 bkl 51.32 bkl Zhao, Feifei verfasserin aut Curvature effect induced cutting stress field offset and its influence on the damage of hard and brittle materials 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Although many studies on the initiation of glass cracks under contact loads were carried out, specific problems arising under complex machining conditions remain poorly understood. In order to clarify the influence of particle trajectory curvature change on material grinding mechanism, a theoretical model of trochoid curvature radius was established, and the main factors affecting trochoid curvature were identified (moving circle radius R, spindle speed n and feed speed v w). Different curvature trochoid scratches were obtained by the experiment of trochoid feed scratches on quartz glass. The experimental results show that the scratch damage of the maximum curvature segment is larger than that of the minimum curvature segment. With the increase of trochoid curvature, material damage inside the scratch is more significant than outside. In order to further explain the distribution characteristics of trochoid scratches. Numerical simulation and theoretical analysis were used to verify the relationship between damage difference and curvature on both sides of the trochoid feed scratch groove. The curvature effect of trochoid feed scratch damage is proposed for the first time, which is used to explain stress field migration and damage distribution caused by trochoid curvature characteristics. This study further supplements and clarifies the removal mechanism of hard and brittle materials, which has theoretical guiding significance for quartz glass high-efficiency and controllable precision grinding. Although many studies on the initiation of glass cracks under contact loads were carried out, specific problems arising under complex machining conditions remain poorly understood. In order to clarify the influence of particle trajectory curvature change on material grinding mechanism, a theoretical model of trochoid curvature radius was established, and the main factors affecting trochoid curvature were identified (moving circle radius R, spindle speed n and feed speed v w). Different curvature trochoid scratches were obtained by the experiment of trochoid feed scratches on quartz glass. The experimental results show that the scratch damage of the maximum curvature segment is larger than that of the minimum curvature segment. With the increase of trochoid curvature, material damage inside the scratch is more significant than outside. In order to further explain the distribution characteristics of trochoid scratches. Numerical simulation and theoretical analysis were used to verify the relationship between damage difference and curvature on both sides of the trochoid feed scratch groove. The curvature effect of trochoid feed scratch damage is proposed for the first time, which is used to explain stress field migration and damage distribution caused by trochoid curvature characteristics. This study further supplements and clarifies the removal mechanism of hard and brittle materials, which has theoretical guiding significance for quartz glass high-efficiency and controllable precision grinding. Radius of curvature Elsevier Stress field Elsevier Trochoid feed scratch Elsevier Curvature effect Elsevier Lin, Bin oth He, Yuanping oth Sui, Tianyi oth Li, Helin oth Zhao, Pengcheng oth Enthalten in Elsevier Munnur, Ravi Kiran ELSEVIER DIAGNOSTIC ACCURACY OF ASLA SCORE (A NOVEL CT ANGIOGRAPHIC INDEX) AND AGGREGATE PLAQUE VOLUME IN THE ASSESSMENT OF FUNCTIONAL SIGNIFICANCE OF CORONARY STENOSIS 2016 Amsterdam [u.a.] (DE-627)ELV014190494 volume:303 year:2022 pages:0 https://doi.org/10.1016/j.jmatprotec.2022.117526 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_21 GBV_ILN_40 GBV_ILN_2009 GBV_ILN_2010 51.00 Werkstoffkunde: Allgemeines VZ 51.32 Werkstoffmechanik VZ AR 303 2022 0 |
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10.1016/j.jmatprotec.2022.117526 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001966.pica (DE-627)ELV057111294 (ELSEVIER)S0924-0136(22)00038-3 DE-627 ger DE-627 rakwb eng 610 VZ 600 690 VZ 51.00 bkl 51.32 bkl Zhao, Feifei verfasserin aut Curvature effect induced cutting stress field offset and its influence on the damage of hard and brittle materials 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Although many studies on the initiation of glass cracks under contact loads were carried out, specific problems arising under complex machining conditions remain poorly understood. In order to clarify the influence of particle trajectory curvature change on material grinding mechanism, a theoretical model of trochoid curvature radius was established, and the main factors affecting trochoid curvature were identified (moving circle radius R, spindle speed n and feed speed v w). Different curvature trochoid scratches were obtained by the experiment of trochoid feed scratches on quartz glass. The experimental results show that the scratch damage of the maximum curvature segment is larger than that of the minimum curvature segment. With the increase of trochoid curvature, material damage inside the scratch is more significant than outside. In order to further explain the distribution characteristics of trochoid scratches. Numerical simulation and theoretical analysis were used to verify the relationship between damage difference and curvature on both sides of the trochoid feed scratch groove. The curvature effect of trochoid feed scratch damage is proposed for the first time, which is used to explain stress field migration and damage distribution caused by trochoid curvature characteristics. This study further supplements and clarifies the removal mechanism of hard and brittle materials, which has theoretical guiding significance for quartz glass high-efficiency and controllable precision grinding. Although many studies on the initiation of glass cracks under contact loads were carried out, specific problems arising under complex machining conditions remain poorly understood. In order to clarify the influence of particle trajectory curvature change on material grinding mechanism, a theoretical model of trochoid curvature radius was established, and the main factors affecting trochoid curvature were identified (moving circle radius R, spindle speed n and feed speed v w). Different curvature trochoid scratches were obtained by the experiment of trochoid feed scratches on quartz glass. The experimental results show that the scratch damage of the maximum curvature segment is larger than that of the minimum curvature segment. With the increase of trochoid curvature, material damage inside the scratch is more significant than outside. In order to further explain the distribution characteristics of trochoid scratches. Numerical simulation and theoretical analysis were used to verify the relationship between damage difference and curvature on both sides of the trochoid feed scratch groove. The curvature effect of trochoid feed scratch damage is proposed for the first time, which is used to explain stress field migration and damage distribution caused by trochoid curvature characteristics. This study further supplements and clarifies the removal mechanism of hard and brittle materials, which has theoretical guiding significance for quartz glass high-efficiency and controllable precision grinding. Radius of curvature Elsevier Stress field Elsevier Trochoid feed scratch Elsevier Curvature effect Elsevier Lin, Bin oth He, Yuanping oth Sui, Tianyi oth Li, Helin oth Zhao, Pengcheng oth Enthalten in Elsevier Munnur, Ravi Kiran ELSEVIER DIAGNOSTIC ACCURACY OF ASLA SCORE (A NOVEL CT ANGIOGRAPHIC INDEX) AND AGGREGATE PLAQUE VOLUME IN THE ASSESSMENT OF FUNCTIONAL SIGNIFICANCE OF CORONARY STENOSIS 2016 Amsterdam [u.a.] (DE-627)ELV014190494 volume:303 year:2022 pages:0 https://doi.org/10.1016/j.jmatprotec.2022.117526 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_21 GBV_ILN_40 GBV_ILN_2009 GBV_ILN_2010 51.00 Werkstoffkunde: Allgemeines VZ 51.32 Werkstoffmechanik VZ AR 303 2022 0 |
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10.1016/j.jmatprotec.2022.117526 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001966.pica (DE-627)ELV057111294 (ELSEVIER)S0924-0136(22)00038-3 DE-627 ger DE-627 rakwb eng 610 VZ 600 690 VZ 51.00 bkl 51.32 bkl Zhao, Feifei verfasserin aut Curvature effect induced cutting stress field offset and its influence on the damage of hard and brittle materials 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Although many studies on the initiation of glass cracks under contact loads were carried out, specific problems arising under complex machining conditions remain poorly understood. In order to clarify the influence of particle trajectory curvature change on material grinding mechanism, a theoretical model of trochoid curvature radius was established, and the main factors affecting trochoid curvature were identified (moving circle radius R, spindle speed n and feed speed v w). Different curvature trochoid scratches were obtained by the experiment of trochoid feed scratches on quartz glass. The experimental results show that the scratch damage of the maximum curvature segment is larger than that of the minimum curvature segment. With the increase of trochoid curvature, material damage inside the scratch is more significant than outside. In order to further explain the distribution characteristics of trochoid scratches. Numerical simulation and theoretical analysis were used to verify the relationship between damage difference and curvature on both sides of the trochoid feed scratch groove. The curvature effect of trochoid feed scratch damage is proposed for the first time, which is used to explain stress field migration and damage distribution caused by trochoid curvature characteristics. This study further supplements and clarifies the removal mechanism of hard and brittle materials, which has theoretical guiding significance for quartz glass high-efficiency and controllable precision grinding. Although many studies on the initiation of glass cracks under contact loads were carried out, specific problems arising under complex machining conditions remain poorly understood. In order to clarify the influence of particle trajectory curvature change on material grinding mechanism, a theoretical model of trochoid curvature radius was established, and the main factors affecting trochoid curvature were identified (moving circle radius R, spindle speed n and feed speed v w). Different curvature trochoid scratches were obtained by the experiment of trochoid feed scratches on quartz glass. The experimental results show that the scratch damage of the maximum curvature segment is larger than that of the minimum curvature segment. With the increase of trochoid curvature, material damage inside the scratch is more significant than outside. In order to further explain the distribution characteristics of trochoid scratches. Numerical simulation and theoretical analysis were used to verify the relationship between damage difference and curvature on both sides of the trochoid feed scratch groove. The curvature effect of trochoid feed scratch damage is proposed for the first time, which is used to explain stress field migration and damage distribution caused by trochoid curvature characteristics. This study further supplements and clarifies the removal mechanism of hard and brittle materials, which has theoretical guiding significance for quartz glass high-efficiency and controllable precision grinding. Radius of curvature Elsevier Stress field Elsevier Trochoid feed scratch Elsevier Curvature effect Elsevier Lin, Bin oth He, Yuanping oth Sui, Tianyi oth Li, Helin oth Zhao, Pengcheng oth Enthalten in Elsevier Munnur, Ravi Kiran ELSEVIER DIAGNOSTIC ACCURACY OF ASLA SCORE (A NOVEL CT ANGIOGRAPHIC INDEX) AND AGGREGATE PLAQUE VOLUME IN THE ASSESSMENT OF FUNCTIONAL SIGNIFICANCE OF CORONARY STENOSIS 2016 Amsterdam [u.a.] (DE-627)ELV014190494 volume:303 year:2022 pages:0 https://doi.org/10.1016/j.jmatprotec.2022.117526 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_21 GBV_ILN_40 GBV_ILN_2009 GBV_ILN_2010 51.00 Werkstoffkunde: Allgemeines VZ 51.32 Werkstoffmechanik VZ AR 303 2022 0 |
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10.1016/j.jmatprotec.2022.117526 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001966.pica (DE-627)ELV057111294 (ELSEVIER)S0924-0136(22)00038-3 DE-627 ger DE-627 rakwb eng 610 VZ 600 690 VZ 51.00 bkl 51.32 bkl Zhao, Feifei verfasserin aut Curvature effect induced cutting stress field offset and its influence on the damage of hard and brittle materials 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Although many studies on the initiation of glass cracks under contact loads were carried out, specific problems arising under complex machining conditions remain poorly understood. In order to clarify the influence of particle trajectory curvature change on material grinding mechanism, a theoretical model of trochoid curvature radius was established, and the main factors affecting trochoid curvature were identified (moving circle radius R, spindle speed n and feed speed v w). Different curvature trochoid scratches were obtained by the experiment of trochoid feed scratches on quartz glass. The experimental results show that the scratch damage of the maximum curvature segment is larger than that of the minimum curvature segment. With the increase of trochoid curvature, material damage inside the scratch is more significant than outside. In order to further explain the distribution characteristics of trochoid scratches. Numerical simulation and theoretical analysis were used to verify the relationship between damage difference and curvature on both sides of the trochoid feed scratch groove. The curvature effect of trochoid feed scratch damage is proposed for the first time, which is used to explain stress field migration and damage distribution caused by trochoid curvature characteristics. This study further supplements and clarifies the removal mechanism of hard and brittle materials, which has theoretical guiding significance for quartz glass high-efficiency and controllable precision grinding. Although many studies on the initiation of glass cracks under contact loads were carried out, specific problems arising under complex machining conditions remain poorly understood. In order to clarify the influence of particle trajectory curvature change on material grinding mechanism, a theoretical model of trochoid curvature radius was established, and the main factors affecting trochoid curvature were identified (moving circle radius R, spindle speed n and feed speed v w). Different curvature trochoid scratches were obtained by the experiment of trochoid feed scratches on quartz glass. The experimental results show that the scratch damage of the maximum curvature segment is larger than that of the minimum curvature segment. With the increase of trochoid curvature, material damage inside the scratch is more significant than outside. In order to further explain the distribution characteristics of trochoid scratches. Numerical simulation and theoretical analysis were used to verify the relationship between damage difference and curvature on both sides of the trochoid feed scratch groove. The curvature effect of trochoid feed scratch damage is proposed for the first time, which is used to explain stress field migration and damage distribution caused by trochoid curvature characteristics. This study further supplements and clarifies the removal mechanism of hard and brittle materials, which has theoretical guiding significance for quartz glass high-efficiency and controllable precision grinding. Radius of curvature Elsevier Stress field Elsevier Trochoid feed scratch Elsevier Curvature effect Elsevier Lin, Bin oth He, Yuanping oth Sui, Tianyi oth Li, Helin oth Zhao, Pengcheng oth Enthalten in Elsevier Munnur, Ravi Kiran ELSEVIER DIAGNOSTIC ACCURACY OF ASLA SCORE (A NOVEL CT ANGIOGRAPHIC INDEX) AND AGGREGATE PLAQUE VOLUME IN THE ASSESSMENT OF FUNCTIONAL SIGNIFICANCE OF CORONARY STENOSIS 2016 Amsterdam [u.a.] (DE-627)ELV014190494 volume:303 year:2022 pages:0 https://doi.org/10.1016/j.jmatprotec.2022.117526 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_21 GBV_ILN_40 GBV_ILN_2009 GBV_ILN_2010 51.00 Werkstoffkunde: Allgemeines VZ 51.32 Werkstoffmechanik VZ AR 303 2022 0 |
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Enthalten in DIAGNOSTIC ACCURACY OF ASLA SCORE (A NOVEL CT ANGIOGRAPHIC INDEX) AND AGGREGATE PLAQUE VOLUME IN THE ASSESSMENT OF FUNCTIONAL SIGNIFICANCE OF CORONARY STENOSIS Amsterdam [u.a.] volume:303 year:2022 pages:0 |
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Enthalten in DIAGNOSTIC ACCURACY OF ASLA SCORE (A NOVEL CT ANGIOGRAPHIC INDEX) AND AGGREGATE PLAQUE VOLUME IN THE ASSESSMENT OF FUNCTIONAL SIGNIFICANCE OF CORONARY STENOSIS Amsterdam [u.a.] volume:303 year:2022 pages:0 |
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DIAGNOSTIC ACCURACY OF ASLA SCORE (A NOVEL CT ANGIOGRAPHIC INDEX) AND AGGREGATE PLAQUE VOLUME IN THE ASSESSMENT OF FUNCTIONAL SIGNIFICANCE OF CORONARY STENOSIS |
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curvature effect induced cutting stress field offset and its influence on the damage of hard and brittle materials |
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Curvature effect induced cutting stress field offset and its influence on the damage of hard and brittle materials |
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Although many studies on the initiation of glass cracks under contact loads were carried out, specific problems arising under complex machining conditions remain poorly understood. In order to clarify the influence of particle trajectory curvature change on material grinding mechanism, a theoretical model of trochoid curvature radius was established, and the main factors affecting trochoid curvature were identified (moving circle radius R, spindle speed n and feed speed v w). Different curvature trochoid scratches were obtained by the experiment of trochoid feed scratches on quartz glass. The experimental results show that the scratch damage of the maximum curvature segment is larger than that of the minimum curvature segment. With the increase of trochoid curvature, material damage inside the scratch is more significant than outside. In order to further explain the distribution characteristics of trochoid scratches. Numerical simulation and theoretical analysis were used to verify the relationship between damage difference and curvature on both sides of the trochoid feed scratch groove. The curvature effect of trochoid feed scratch damage is proposed for the first time, which is used to explain stress field migration and damage distribution caused by trochoid curvature characteristics. This study further supplements and clarifies the removal mechanism of hard and brittle materials, which has theoretical guiding significance for quartz glass high-efficiency and controllable precision grinding. |
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Although many studies on the initiation of glass cracks under contact loads were carried out, specific problems arising under complex machining conditions remain poorly understood. In order to clarify the influence of particle trajectory curvature change on material grinding mechanism, a theoretical model of trochoid curvature radius was established, and the main factors affecting trochoid curvature were identified (moving circle radius R, spindle speed n and feed speed v w). Different curvature trochoid scratches were obtained by the experiment of trochoid feed scratches on quartz glass. The experimental results show that the scratch damage of the maximum curvature segment is larger than that of the minimum curvature segment. With the increase of trochoid curvature, material damage inside the scratch is more significant than outside. In order to further explain the distribution characteristics of trochoid scratches. Numerical simulation and theoretical analysis were used to verify the relationship between damage difference and curvature on both sides of the trochoid feed scratch groove. The curvature effect of trochoid feed scratch damage is proposed for the first time, which is used to explain stress field migration and damage distribution caused by trochoid curvature characteristics. This study further supplements and clarifies the removal mechanism of hard and brittle materials, which has theoretical guiding significance for quartz glass high-efficiency and controllable precision grinding. |
| abstract_unstemmed |
Although many studies on the initiation of glass cracks under contact loads were carried out, specific problems arising under complex machining conditions remain poorly understood. In order to clarify the influence of particle trajectory curvature change on material grinding mechanism, a theoretical model of trochoid curvature radius was established, and the main factors affecting trochoid curvature were identified (moving circle radius R, spindle speed n and feed speed v w). Different curvature trochoid scratches were obtained by the experiment of trochoid feed scratches on quartz glass. The experimental results show that the scratch damage of the maximum curvature segment is larger than that of the minimum curvature segment. With the increase of trochoid curvature, material damage inside the scratch is more significant than outside. In order to further explain the distribution characteristics of trochoid scratches. Numerical simulation and theoretical analysis were used to verify the relationship between damage difference and curvature on both sides of the trochoid feed scratch groove. The curvature effect of trochoid feed scratch damage is proposed for the first time, which is used to explain stress field migration and damage distribution caused by trochoid curvature characteristics. This study further supplements and clarifies the removal mechanism of hard and brittle materials, which has theoretical guiding significance for quartz glass high-efficiency and controllable precision grinding. |
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