Effect of strain rate on impact response and ω transformation of quenched Zr-Nb alloys

Yinghao Wang; Bin Tang; Y. W. Cui; Hongchao Kou; Jinshan Li

doi:10.1016/j.matchar.2013.07.002

Effect of strain rate on impact response and ω transformation of quenched Zr-Nb alloys

Yinghao Wang
, Bin Tang
, Y. W. Cui
, Hongchao Kou
, Jinshan Li

School of Materials Sience and Engineering

Northwestern Polytechnical University Xian
Instituto IMDEA Materiales

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

The strain rate sensitivity of impact response of quenched Zr-Nb alloys was experimentally investigated. The ω phase transformation with extremely high nucleation frequency is shown to cause a quite effective stress relaxation leading to the presence of stress plateau in the work hardening stage of stress-strain curve and the negative relationship between stress and strain rate. Besides, the habit plane for the impact induced ω phase transformation is the same as usually found for the thermally induced ω phase transformation. It is suggested that numerous ω particles in deformed samples may nucleate from the vacancies induced by impact loading.

Original language	English
Pages (from-to)	10-15
Number of pages	6
Journal	Materials Characterization
Volume	84
DOIs	https://doi.org/10.1016/j.matchar.2013.07.002
State	Published - 2013

Keywords

Impact loading
Phase transformation
Stress relaxation
Zr-Nb alloys

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10.1016/j.matchar.2013.07.002

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title = "Effect of strain rate on impact response and ω transformation of quenched Zr-Nb alloys",

abstract = "The strain rate sensitivity of impact response of quenched Zr-Nb alloys was experimentally investigated. The ω phase transformation with extremely high nucleation frequency is shown to cause a quite effective stress relaxation leading to the presence of stress plateau in the work hardening stage of stress-strain curve and the negative relationship between stress and strain rate. Besides, the habit plane for the impact induced ω phase transformation is the same as usually found for the thermally induced ω phase transformation. It is suggested that numerous ω particles in deformed samples may nucleate from the vacancies induced by impact loading.",

keywords = "Impact loading, Phase transformation, Stress relaxation, Zr-Nb alloys",

author = "Yinghao Wang and Bin Tang and Cui, \{Y. W.\} and Hongchao Kou and Jinshan Li",

year = "2013",

doi = "10.1016/j.matchar.2013.07.002",

language = "英语",

volume = "84",

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journal = "Materials Characterization",

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T1 - Effect of strain rate on impact response and ω transformation of quenched Zr-Nb alloys

AU - Wang, Yinghao

AU - Tang, Bin

AU - Cui, Y. W.

AU - Kou, Hongchao

AU - Li, Jinshan

PY - 2013

Y1 - 2013

N2 - The strain rate sensitivity of impact response of quenched Zr-Nb alloys was experimentally investigated. The ω phase transformation with extremely high nucleation frequency is shown to cause a quite effective stress relaxation leading to the presence of stress plateau in the work hardening stage of stress-strain curve and the negative relationship between stress and strain rate. Besides, the habit plane for the impact induced ω phase transformation is the same as usually found for the thermally induced ω phase transformation. It is suggested that numerous ω particles in deformed samples may nucleate from the vacancies induced by impact loading.

AB - The strain rate sensitivity of impact response of quenched Zr-Nb alloys was experimentally investigated. The ω phase transformation with extremely high nucleation frequency is shown to cause a quite effective stress relaxation leading to the presence of stress plateau in the work hardening stage of stress-strain curve and the negative relationship between stress and strain rate. Besides, the habit plane for the impact induced ω phase transformation is the same as usually found for the thermally induced ω phase transformation. It is suggested that numerous ω particles in deformed samples may nucleate from the vacancies induced by impact loading.

KW - Impact loading

KW - Phase transformation

KW - Stress relaxation

KW - Zr-Nb alloys

UR - https://www.scopus.com/pages/publications/84881140680

U2 - 10.1016/j.matchar.2013.07.002

DO - 10.1016/j.matchar.2013.07.002

M3 - 文章

AN - SCOPUS:84881140680

SN - 1044-5803

VL - 84

SP - 10

EP - 15

JO - Materials Characterization

JF - Materials Characterization

ER -

Effect of strain rate on impact response and ω transformation of quenched Zr-Nb alloys

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Keywords

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