Failure Analysis of 35NCD16 Steel M6-Fastener Failed During Assembly of Aerospace Components
Abstract 35NCD16 is nickel-chromium-molybdenum alloy steel with ultra-high strength and good toughness. This alloy is used extensively in aerospace due to its good hardenability and comparatively low cost. Cd coating is used on M6 fasteners to provide corrosion resistance. A failure was observed dur...
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| Autor*in: |
Lagudu, Yerrinaidu [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2023 |
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© ASM International 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
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Enthalten in: Practical failure analysis - Springer New York, 2001, 23(2023), 4 vom: 06. Juli, Seite 1579-1586 |
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volume:23 ; year:2023 ; number:4 ; day:06 ; month:07 ; pages:1579-1586 |
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10.1007/s11668-023-01701-z |
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| 520 | |a Abstract 35NCD16 is nickel-chromium-molybdenum alloy steel with ultra-high strength and good toughness. This alloy is used extensively in aerospace due to its good hardenability and comparatively low cost. Cd coating is used on M6 fasteners to provide corrosion resistance. A failure was observed during the fastening of M6 fastener in an aerospace component. Fractographic observations revealed shear dimples at the edges and equiaxed dimples in the middle. No evidence of corrosion, fatigue and embrittlement was observed. Optical microscopy revealed microstructure consisted of tempered martensite. Microhardness values were found to be more in thread crest locations than the root and core locations. Based on detailed investigation, reason for the failure is attributed to torsional overload. | ||
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| 700 | 1 | |a Manwatkar, Sushant K. |4 aut | |
| 700 | 1 | |a Gupta, Rohit Kumar |4 aut | |
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10.1007/s11668-023-01701-z doi (DE-627)SPR052990435 (SPR)s11668-023-01701-z-e DE-627 ger DE-627 rakwb eng Lagudu, Yerrinaidu verfasserin aut Failure Analysis of 35NCD16 Steel M6-Fastener Failed During Assembly of Aerospace Components 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © ASM International 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract 35NCD16 is nickel-chromium-molybdenum alloy steel with ultra-high strength and good toughness. This alloy is used extensively in aerospace due to its good hardenability and comparatively low cost. Cd coating is used on M6 fasteners to provide corrosion resistance. A failure was observed during the fastening of M6 fastener in an aerospace component. Fractographic observations revealed shear dimples at the edges and equiaxed dimples in the middle. No evidence of corrosion, fatigue and embrittlement was observed. Optical microscopy revealed microstructure consisted of tempered martensite. Microhardness values were found to be more in thread crest locations than the root and core locations. Based on detailed investigation, reason for the failure is attributed to torsional overload. Failure analysis (dpeaa)DE-He213 M6 Fastener (dpeaa)DE-He213 35NCD16 steel (dpeaa)DE-He213 Martensite (dpeaa)DE-He213 Torsional overload (dpeaa)DE-He213 Ranjith, R. aut Manwatkar, Sushant K. aut Gupta, Rohit Kumar aut Enthalten in Practical failure analysis Springer New York, 2001 23(2023), 4 vom: 06. Juli, Seite 1579-1586 (DE-627)886125871 (DE-600)2893589-5 5555-1313 nnns volume:23 year:2023 number:4 day:06 month:07 pages:1579-1586 https://dx.doi.org/10.1007/s11668-023-01701-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER AR 23 2023 4 06 07 1579-1586 |
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10.1007/s11668-023-01701-z doi (DE-627)SPR052990435 (SPR)s11668-023-01701-z-e DE-627 ger DE-627 rakwb eng Lagudu, Yerrinaidu verfasserin aut Failure Analysis of 35NCD16 Steel M6-Fastener Failed During Assembly of Aerospace Components 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © ASM International 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract 35NCD16 is nickel-chromium-molybdenum alloy steel with ultra-high strength and good toughness. This alloy is used extensively in aerospace due to its good hardenability and comparatively low cost. Cd coating is used on M6 fasteners to provide corrosion resistance. A failure was observed during the fastening of M6 fastener in an aerospace component. Fractographic observations revealed shear dimples at the edges and equiaxed dimples in the middle. No evidence of corrosion, fatigue and embrittlement was observed. Optical microscopy revealed microstructure consisted of tempered martensite. Microhardness values were found to be more in thread crest locations than the root and core locations. Based on detailed investigation, reason for the failure is attributed to torsional overload. Failure analysis (dpeaa)DE-He213 M6 Fastener (dpeaa)DE-He213 35NCD16 steel (dpeaa)DE-He213 Martensite (dpeaa)DE-He213 Torsional overload (dpeaa)DE-He213 Ranjith, R. aut Manwatkar, Sushant K. aut Gupta, Rohit Kumar aut Enthalten in Practical failure analysis Springer New York, 2001 23(2023), 4 vom: 06. Juli, Seite 1579-1586 (DE-627)886125871 (DE-600)2893589-5 5555-1313 nnns volume:23 year:2023 number:4 day:06 month:07 pages:1579-1586 https://dx.doi.org/10.1007/s11668-023-01701-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER AR 23 2023 4 06 07 1579-1586 |
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10.1007/s11668-023-01701-z doi (DE-627)SPR052990435 (SPR)s11668-023-01701-z-e DE-627 ger DE-627 rakwb eng Lagudu, Yerrinaidu verfasserin aut Failure Analysis of 35NCD16 Steel M6-Fastener Failed During Assembly of Aerospace Components 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © ASM International 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract 35NCD16 is nickel-chromium-molybdenum alloy steel with ultra-high strength and good toughness. This alloy is used extensively in aerospace due to its good hardenability and comparatively low cost. Cd coating is used on M6 fasteners to provide corrosion resistance. A failure was observed during the fastening of M6 fastener in an aerospace component. Fractographic observations revealed shear dimples at the edges and equiaxed dimples in the middle. No evidence of corrosion, fatigue and embrittlement was observed. Optical microscopy revealed microstructure consisted of tempered martensite. Microhardness values were found to be more in thread crest locations than the root and core locations. Based on detailed investigation, reason for the failure is attributed to torsional overload. Failure analysis (dpeaa)DE-He213 M6 Fastener (dpeaa)DE-He213 35NCD16 steel (dpeaa)DE-He213 Martensite (dpeaa)DE-He213 Torsional overload (dpeaa)DE-He213 Ranjith, R. aut Manwatkar, Sushant K. aut Gupta, Rohit Kumar aut Enthalten in Practical failure analysis Springer New York, 2001 23(2023), 4 vom: 06. Juli, Seite 1579-1586 (DE-627)886125871 (DE-600)2893589-5 5555-1313 nnns volume:23 year:2023 number:4 day:06 month:07 pages:1579-1586 https://dx.doi.org/10.1007/s11668-023-01701-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER AR 23 2023 4 06 07 1579-1586 |
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10.1007/s11668-023-01701-z doi (DE-627)SPR052990435 (SPR)s11668-023-01701-z-e DE-627 ger DE-627 rakwb eng Lagudu, Yerrinaidu verfasserin aut Failure Analysis of 35NCD16 Steel M6-Fastener Failed During Assembly of Aerospace Components 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © ASM International 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract 35NCD16 is nickel-chromium-molybdenum alloy steel with ultra-high strength and good toughness. This alloy is used extensively in aerospace due to its good hardenability and comparatively low cost. Cd coating is used on M6 fasteners to provide corrosion resistance. A failure was observed during the fastening of M6 fastener in an aerospace component. Fractographic observations revealed shear dimples at the edges and equiaxed dimples in the middle. No evidence of corrosion, fatigue and embrittlement was observed. Optical microscopy revealed microstructure consisted of tempered martensite. Microhardness values were found to be more in thread crest locations than the root and core locations. Based on detailed investigation, reason for the failure is attributed to torsional overload. Failure analysis (dpeaa)DE-He213 M6 Fastener (dpeaa)DE-He213 35NCD16 steel (dpeaa)DE-He213 Martensite (dpeaa)DE-He213 Torsional overload (dpeaa)DE-He213 Ranjith, R. aut Manwatkar, Sushant K. aut Gupta, Rohit Kumar aut Enthalten in Practical failure analysis Springer New York, 2001 23(2023), 4 vom: 06. Juli, Seite 1579-1586 (DE-627)886125871 (DE-600)2893589-5 5555-1313 nnns volume:23 year:2023 number:4 day:06 month:07 pages:1579-1586 https://dx.doi.org/10.1007/s11668-023-01701-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER AR 23 2023 4 06 07 1579-1586 |
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10.1007/s11668-023-01701-z doi (DE-627)SPR052990435 (SPR)s11668-023-01701-z-e DE-627 ger DE-627 rakwb eng Lagudu, Yerrinaidu verfasserin aut Failure Analysis of 35NCD16 Steel M6-Fastener Failed During Assembly of Aerospace Components 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © ASM International 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract 35NCD16 is nickel-chromium-molybdenum alloy steel with ultra-high strength and good toughness. This alloy is used extensively in aerospace due to its good hardenability and comparatively low cost. Cd coating is used on M6 fasteners to provide corrosion resistance. A failure was observed during the fastening of M6 fastener in an aerospace component. Fractographic observations revealed shear dimples at the edges and equiaxed dimples in the middle. No evidence of corrosion, fatigue and embrittlement was observed. Optical microscopy revealed microstructure consisted of tempered martensite. Microhardness values were found to be more in thread crest locations than the root and core locations. Based on detailed investigation, reason for the failure is attributed to torsional overload. Failure analysis (dpeaa)DE-He213 M6 Fastener (dpeaa)DE-He213 35NCD16 steel (dpeaa)DE-He213 Martensite (dpeaa)DE-He213 Torsional overload (dpeaa)DE-He213 Ranjith, R. aut Manwatkar, Sushant K. aut Gupta, Rohit Kumar aut Enthalten in Practical failure analysis Springer New York, 2001 23(2023), 4 vom: 06. Juli, Seite 1579-1586 (DE-627)886125871 (DE-600)2893589-5 5555-1313 nnns volume:23 year:2023 number:4 day:06 month:07 pages:1579-1586 https://dx.doi.org/10.1007/s11668-023-01701-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER AR 23 2023 4 06 07 1579-1586 |
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Abstract 35NCD16 is nickel-chromium-molybdenum alloy steel with ultra-high strength and good toughness. This alloy is used extensively in aerospace due to its good hardenability and comparatively low cost. Cd coating is used on M6 fasteners to provide corrosion resistance. A failure was observed during the fastening of M6 fastener in an aerospace component. Fractographic observations revealed shear dimples at the edges and equiaxed dimples in the middle. No evidence of corrosion, fatigue and embrittlement was observed. Optical microscopy revealed microstructure consisted of tempered martensite. Microhardness values were found to be more in thread crest locations than the root and core locations. Based on detailed investigation, reason for the failure is attributed to torsional overload. © ASM International 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
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Abstract 35NCD16 is nickel-chromium-molybdenum alloy steel with ultra-high strength and good toughness. This alloy is used extensively in aerospace due to its good hardenability and comparatively low cost. Cd coating is used on M6 fasteners to provide corrosion resistance. A failure was observed during the fastening of M6 fastener in an aerospace component. Fractographic observations revealed shear dimples at the edges and equiaxed dimples in the middle. No evidence of corrosion, fatigue and embrittlement was observed. Optical microscopy revealed microstructure consisted of tempered martensite. Microhardness values were found to be more in thread crest locations than the root and core locations. Based on detailed investigation, reason for the failure is attributed to torsional overload. © ASM International 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
| abstract_unstemmed |
Abstract 35NCD16 is nickel-chromium-molybdenum alloy steel with ultra-high strength and good toughness. This alloy is used extensively in aerospace due to its good hardenability and comparatively low cost. Cd coating is used on M6 fasteners to provide corrosion resistance. A failure was observed during the fastening of M6 fastener in an aerospace component. Fractographic observations revealed shear dimples at the edges and equiaxed dimples in the middle. No evidence of corrosion, fatigue and embrittlement was observed. Optical microscopy revealed microstructure consisted of tempered martensite. Microhardness values were found to be more in thread crest locations than the root and core locations. Based on detailed investigation, reason for the failure is attributed to torsional overload. © ASM International 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
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Failure Analysis of 35NCD16 Steel M6-Fastener Failed During Assembly of Aerospace Components |
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Ranjith, R. Manwatkar, Sushant K. Gupta, Rohit Kumar |
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