Fifty years of Harper–Dorn creep: a viable creep mechanism or a Californian artifact?
Abstract Fifty years ago, in a series of classic creep experiments conducted at the University of California in Berkeley, Harper and Dorn obtained unique experimental data revealing the possibility of a new and heretofore unrecognized flow process occurring in pure aluminum when tested at low stress...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Kumar, Praveen [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2007 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer Science+Business Media, LLC 2006 |
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| Übergeordnetes Werk: |
Enthalten in: Journal of materials science - Kluwer Academic Publishers-Plenum Publishers, 1966, 42(2007), 2 vom: Jan., Seite 409-420 |
|---|---|
| Übergeordnetes Werk: |
volume:42 ; year:2007 ; number:2 ; month:01 ; pages:409-420 |
| Links: |
|---|
| DOI / URN: |
10.1007/s10853-006-0782-4 |
|---|
| Katalog-ID: |
OLC2046321618 |
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| 520 | |a Abstract Fifty years ago, in a series of classic creep experiments conducted at the University of California in Berkeley, Harper and Dorn obtained unique experimental data revealing the possibility of a new and heretofore unrecognized flow process occurring in pure aluminum when tested at low stresses and at temperatures very close to the melting temperature. This flow mechanism, subsequently designated Harper–Dorn creep, has been the center of much argument and speculation in the ensuing years. The present paper looks back over the last half-century and charts the various developments in attempts to obtain a more detailed understanding of whether Harper–Dorn creep is (or is not) a viable creep process. Examples are presented for both metals and non-metals. It is concluded that, although it appears Harper–Dorn creep may occur only under restricted conditions associated with high purity materials and low initial dislocation densities, nevertheless there is good evidence supporting the validity of this creep mechanism as a viable and unique flow process. | ||
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10.1007/s10853-006-0782-4 doi (DE-627)OLC2046321618 (DE-He213)s10853-006-0782-4-p DE-627 ger DE-627 rakwb eng 670 VZ Kumar, Praveen verfasserin aut Fifty years of Harper–Dorn creep: a viable creep mechanism or a Californian artifact? 2007 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC 2006 Abstract Fifty years ago, in a series of classic creep experiments conducted at the University of California in Berkeley, Harper and Dorn obtained unique experimental data revealing the possibility of a new and heretofore unrecognized flow process occurring in pure aluminum when tested at low stresses and at temperatures very close to the melting temperature. This flow mechanism, subsequently designated Harper–Dorn creep, has been the center of much argument and speculation in the ensuing years. The present paper looks back over the last half-century and charts the various developments in attempts to obtain a more detailed understanding of whether Harper–Dorn creep is (or is not) a viable creep process. Examples are presented for both metals and non-metals. It is concluded that, although it appears Harper–Dorn creep may occur only under restricted conditions associated with high purity materials and low initial dislocation densities, nevertheless there is good evidence supporting the validity of this creep mechanism as a viable and unique flow process. Creep Rate Forsterite Stress Exponent Creep Data Creep Mechanism Kassner, Michael E. aut Langdon, Terence G. aut Enthalten in Journal of materials science Kluwer Academic Publishers-Plenum Publishers, 1966 42(2007), 2 vom: Jan., Seite 409-420 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:42 year:2007 number:2 month:01 pages:409-420 https://doi.org/10.1007/s10853-006-0782-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_20 GBV_ILN_21 GBV_ILN_23 GBV_ILN_30 GBV_ILN_32 GBV_ILN_40 GBV_ILN_62 GBV_ILN_65 GBV_ILN_70 GBV_ILN_100 GBV_ILN_602 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_4046 GBV_ILN_4305 GBV_ILN_4323 AR 42 2007 2 01 409-420 |
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10.1007/s10853-006-0782-4 doi (DE-627)OLC2046321618 (DE-He213)s10853-006-0782-4-p DE-627 ger DE-627 rakwb eng 670 VZ Kumar, Praveen verfasserin aut Fifty years of Harper–Dorn creep: a viable creep mechanism or a Californian artifact? 2007 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC 2006 Abstract Fifty years ago, in a series of classic creep experiments conducted at the University of California in Berkeley, Harper and Dorn obtained unique experimental data revealing the possibility of a new and heretofore unrecognized flow process occurring in pure aluminum when tested at low stresses and at temperatures very close to the melting temperature. This flow mechanism, subsequently designated Harper–Dorn creep, has been the center of much argument and speculation in the ensuing years. The present paper looks back over the last half-century and charts the various developments in attempts to obtain a more detailed understanding of whether Harper–Dorn creep is (or is not) a viable creep process. Examples are presented for both metals and non-metals. It is concluded that, although it appears Harper–Dorn creep may occur only under restricted conditions associated with high purity materials and low initial dislocation densities, nevertheless there is good evidence supporting the validity of this creep mechanism as a viable and unique flow process. Creep Rate Forsterite Stress Exponent Creep Data Creep Mechanism Kassner, Michael E. aut Langdon, Terence G. aut Enthalten in Journal of materials science Kluwer Academic Publishers-Plenum Publishers, 1966 42(2007), 2 vom: Jan., Seite 409-420 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:42 year:2007 number:2 month:01 pages:409-420 https://doi.org/10.1007/s10853-006-0782-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_20 GBV_ILN_21 GBV_ILN_23 GBV_ILN_30 GBV_ILN_32 GBV_ILN_40 GBV_ILN_62 GBV_ILN_65 GBV_ILN_70 GBV_ILN_100 GBV_ILN_602 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_4046 GBV_ILN_4305 GBV_ILN_4323 AR 42 2007 2 01 409-420 |
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10.1007/s10853-006-0782-4 doi (DE-627)OLC2046321618 (DE-He213)s10853-006-0782-4-p DE-627 ger DE-627 rakwb eng 670 VZ Kumar, Praveen verfasserin aut Fifty years of Harper–Dorn creep: a viable creep mechanism or a Californian artifact? 2007 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC 2006 Abstract Fifty years ago, in a series of classic creep experiments conducted at the University of California in Berkeley, Harper and Dorn obtained unique experimental data revealing the possibility of a new and heretofore unrecognized flow process occurring in pure aluminum when tested at low stresses and at temperatures very close to the melting temperature. This flow mechanism, subsequently designated Harper–Dorn creep, has been the center of much argument and speculation in the ensuing years. The present paper looks back over the last half-century and charts the various developments in attempts to obtain a more detailed understanding of whether Harper–Dorn creep is (or is not) a viable creep process. Examples are presented for both metals and non-metals. It is concluded that, although it appears Harper–Dorn creep may occur only under restricted conditions associated with high purity materials and low initial dislocation densities, nevertheless there is good evidence supporting the validity of this creep mechanism as a viable and unique flow process. Creep Rate Forsterite Stress Exponent Creep Data Creep Mechanism Kassner, Michael E. aut Langdon, Terence G. aut Enthalten in Journal of materials science Kluwer Academic Publishers-Plenum Publishers, 1966 42(2007), 2 vom: Jan., Seite 409-420 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:42 year:2007 number:2 month:01 pages:409-420 https://doi.org/10.1007/s10853-006-0782-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_20 GBV_ILN_21 GBV_ILN_23 GBV_ILN_30 GBV_ILN_32 GBV_ILN_40 GBV_ILN_62 GBV_ILN_65 GBV_ILN_70 GBV_ILN_100 GBV_ILN_602 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_4046 GBV_ILN_4305 GBV_ILN_4323 AR 42 2007 2 01 409-420 |
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10.1007/s10853-006-0782-4 doi (DE-627)OLC2046321618 (DE-He213)s10853-006-0782-4-p DE-627 ger DE-627 rakwb eng 670 VZ Kumar, Praveen verfasserin aut Fifty years of Harper–Dorn creep: a viable creep mechanism or a Californian artifact? 2007 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC 2006 Abstract Fifty years ago, in a series of classic creep experiments conducted at the University of California in Berkeley, Harper and Dorn obtained unique experimental data revealing the possibility of a new and heretofore unrecognized flow process occurring in pure aluminum when tested at low stresses and at temperatures very close to the melting temperature. This flow mechanism, subsequently designated Harper–Dorn creep, has been the center of much argument and speculation in the ensuing years. The present paper looks back over the last half-century and charts the various developments in attempts to obtain a more detailed understanding of whether Harper–Dorn creep is (or is not) a viable creep process. Examples are presented for both metals and non-metals. It is concluded that, although it appears Harper–Dorn creep may occur only under restricted conditions associated with high purity materials and low initial dislocation densities, nevertheless there is good evidence supporting the validity of this creep mechanism as a viable and unique flow process. Creep Rate Forsterite Stress Exponent Creep Data Creep Mechanism Kassner, Michael E. aut Langdon, Terence G. aut Enthalten in Journal of materials science Kluwer Academic Publishers-Plenum Publishers, 1966 42(2007), 2 vom: Jan., Seite 409-420 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:42 year:2007 number:2 month:01 pages:409-420 https://doi.org/10.1007/s10853-006-0782-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_20 GBV_ILN_21 GBV_ILN_23 GBV_ILN_30 GBV_ILN_32 GBV_ILN_40 GBV_ILN_62 GBV_ILN_65 GBV_ILN_70 GBV_ILN_100 GBV_ILN_602 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_4046 GBV_ILN_4305 GBV_ILN_4323 AR 42 2007 2 01 409-420 |
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10.1007/s10853-006-0782-4 doi (DE-627)OLC2046321618 (DE-He213)s10853-006-0782-4-p DE-627 ger DE-627 rakwb eng 670 VZ Kumar, Praveen verfasserin aut Fifty years of Harper–Dorn creep: a viable creep mechanism or a Californian artifact? 2007 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC 2006 Abstract Fifty years ago, in a series of classic creep experiments conducted at the University of California in Berkeley, Harper and Dorn obtained unique experimental data revealing the possibility of a new and heretofore unrecognized flow process occurring in pure aluminum when tested at low stresses and at temperatures very close to the melting temperature. This flow mechanism, subsequently designated Harper–Dorn creep, has been the center of much argument and speculation in the ensuing years. The present paper looks back over the last half-century and charts the various developments in attempts to obtain a more detailed understanding of whether Harper–Dorn creep is (or is not) a viable creep process. Examples are presented for both metals and non-metals. It is concluded that, although it appears Harper–Dorn creep may occur only under restricted conditions associated with high purity materials and low initial dislocation densities, nevertheless there is good evidence supporting the validity of this creep mechanism as a viable and unique flow process. Creep Rate Forsterite Stress Exponent Creep Data Creep Mechanism Kassner, Michael E. aut Langdon, Terence G. aut Enthalten in Journal of materials science Kluwer Academic Publishers-Plenum Publishers, 1966 42(2007), 2 vom: Jan., Seite 409-420 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:42 year:2007 number:2 month:01 pages:409-420 https://doi.org/10.1007/s10853-006-0782-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_20 GBV_ILN_21 GBV_ILN_23 GBV_ILN_30 GBV_ILN_32 GBV_ILN_40 GBV_ILN_62 GBV_ILN_65 GBV_ILN_70 GBV_ILN_100 GBV_ILN_602 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_4046 GBV_ILN_4305 GBV_ILN_4323 AR 42 2007 2 01 409-420 |
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Fifty years of Harper–Dorn creep: a viable creep mechanism or a Californian artifact? |
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Fifty years of Harper–Dorn creep: a viable creep mechanism or a Californian artifact? |
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fifty years of harper–dorn creep: a viable creep mechanism or a californian artifact? |
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Fifty years of Harper–Dorn creep: a viable creep mechanism or a Californian artifact? |
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Abstract Fifty years ago, in a series of classic creep experiments conducted at the University of California in Berkeley, Harper and Dorn obtained unique experimental data revealing the possibility of a new and heretofore unrecognized flow process occurring in pure aluminum when tested at low stresses and at temperatures very close to the melting temperature. This flow mechanism, subsequently designated Harper–Dorn creep, has been the center of much argument and speculation in the ensuing years. The present paper looks back over the last half-century and charts the various developments in attempts to obtain a more detailed understanding of whether Harper–Dorn creep is (or is not) a viable creep process. Examples are presented for both metals and non-metals. It is concluded that, although it appears Harper–Dorn creep may occur only under restricted conditions associated with high purity materials and low initial dislocation densities, nevertheless there is good evidence supporting the validity of this creep mechanism as a viable and unique flow process. © Springer Science+Business Media, LLC 2006 |
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Abstract Fifty years ago, in a series of classic creep experiments conducted at the University of California in Berkeley, Harper and Dorn obtained unique experimental data revealing the possibility of a new and heretofore unrecognized flow process occurring in pure aluminum when tested at low stresses and at temperatures very close to the melting temperature. This flow mechanism, subsequently designated Harper–Dorn creep, has been the center of much argument and speculation in the ensuing years. The present paper looks back over the last half-century and charts the various developments in attempts to obtain a more detailed understanding of whether Harper–Dorn creep is (or is not) a viable creep process. Examples are presented for both metals and non-metals. It is concluded that, although it appears Harper–Dorn creep may occur only under restricted conditions associated with high purity materials and low initial dislocation densities, nevertheless there is good evidence supporting the validity of this creep mechanism as a viable and unique flow process. © Springer Science+Business Media, LLC 2006 |
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Abstract Fifty years ago, in a series of classic creep experiments conducted at the University of California in Berkeley, Harper and Dorn obtained unique experimental data revealing the possibility of a new and heretofore unrecognized flow process occurring in pure aluminum when tested at low stresses and at temperatures very close to the melting temperature. This flow mechanism, subsequently designated Harper–Dorn creep, has been the center of much argument and speculation in the ensuing years. The present paper looks back over the last half-century and charts the various developments in attempts to obtain a more detailed understanding of whether Harper–Dorn creep is (or is not) a viable creep process. Examples are presented for both metals and non-metals. It is concluded that, although it appears Harper–Dorn creep may occur only under restricted conditions associated with high purity materials and low initial dislocation densities, nevertheless there is good evidence supporting the validity of this creep mechanism as a viable and unique flow process. © Springer Science+Business Media, LLC 2006 |
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