Deformation and fracture of gold-platinum polycrystals strengthened by spinodal decomposition

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

The plastic deformation and fracture characteristics of two gold-platinum alloys strengthened by spinodal decomposition have been experimentally investigated. It was found that the fracture path in these alloys is primarily intergranular; this is caused by incoherent grain, boundary precipitation of the equilibrium phases. The grains themselves are not embrittled by the transformation. It was also found that the initial work-hardening rate is higher than normally observed, and that the proportional limit is appreciably increased by spinodal decomposition. A new theory was advanced to account for the work-hardening behavior, and it is in good agreement with experimental results. It was also shown that present theories cannot account for the large increase in proportional limit.

Original languageEnglish (US)
Pages (from-to)1297-1308
Number of pages12
JournalActa Metallurgica
Volume15
Issue number8
StatePublished - Aug 1967
Externally publishedYes

Fingerprint

Spinodal decomposition
Polycrystals
Platinum
Strain hardening
Gold
Platinum alloys
Gold alloys
Phase equilibria
Plastic deformation
Grain boundaries

Cite this

Deformation and fracture of gold-platinum polycrystals strengthened by spinodal decomposition. / Carpenter, Ray.

In: Acta Metallurgica, Vol. 15, No. 8, 08.1967, p. 1297-1308.

Research output: Contribution to journalArticle

@article{567d1c17fc424a8680b20ae7f41239cb,
title = "Deformation and fracture of gold-platinum polycrystals strengthened by spinodal decomposition",
abstract = "The plastic deformation and fracture characteristics of two gold-platinum alloys strengthened by spinodal decomposition have been experimentally investigated. It was found that the fracture path in these alloys is primarily intergranular; this is caused by incoherent grain, boundary precipitation of the equilibrium phases. The grains themselves are not embrittled by the transformation. It was also found that the initial work-hardening rate is higher than normally observed, and that the proportional limit is appreciably increased by spinodal decomposition. A new theory was advanced to account for the work-hardening behavior, and it is in good agreement with experimental results. It was also shown that present theories cannot account for the large increase in proportional limit.",
author = "Ray Carpenter",
year = "1967",
month = "8",
language = "English (US)",
volume = "15",
pages = "1297--1308",
journal = "Acta Materialia",
issn = "1359-6454",
publisher = "Elsevier Limited",
number = "8",

}

TY - JOUR

T1 - Deformation and fracture of gold-platinum polycrystals strengthened by spinodal decomposition

AU - Carpenter, Ray

PY - 1967/8

Y1 - 1967/8

N2 - The plastic deformation and fracture characteristics of two gold-platinum alloys strengthened by spinodal decomposition have been experimentally investigated. It was found that the fracture path in these alloys is primarily intergranular; this is caused by incoherent grain, boundary precipitation of the equilibrium phases. The grains themselves are not embrittled by the transformation. It was also found that the initial work-hardening rate is higher than normally observed, and that the proportional limit is appreciably increased by spinodal decomposition. A new theory was advanced to account for the work-hardening behavior, and it is in good agreement with experimental results. It was also shown that present theories cannot account for the large increase in proportional limit.

AB - The plastic deformation and fracture characteristics of two gold-platinum alloys strengthened by spinodal decomposition have been experimentally investigated. It was found that the fracture path in these alloys is primarily intergranular; this is caused by incoherent grain, boundary precipitation of the equilibrium phases. The grains themselves are not embrittled by the transformation. It was also found that the initial work-hardening rate is higher than normally observed, and that the proportional limit is appreciably increased by spinodal decomposition. A new theory was advanced to account for the work-hardening behavior, and it is in good agreement with experimental results. It was also shown that present theories cannot account for the large increase in proportional limit.

UR - http://www.scopus.com/inward/record.url?scp=47249109751&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=47249109751&partnerID=8YFLogxK

M3 - Article

VL - 15

SP - 1297

EP - 1308

JO - Acta Materialia

JF - Acta Materialia

SN - 1359-6454

IS - 8

ER -