Deformation Modes in the Single-Crystal Nickel-Based Superalloy CMSX-4 During Compressive Deformation at 1000 °C

被引：4

作者：

Zhang, P. ^{[1
]}

Yuan, Y. ^{[1
]}

Li, J. ^{[2
]}

Yan, J. B. ^{[1
]}

Zhang, H. ^{[3
]}

Zhao, X. B. ^{[4
]}

Shi, X. B. ^{[5
]}

Gu, Y. F. ^{[1
]}

机构：

[1] Xian Thermal Power Res Inst Co Ltd, 136 Xingqing Rd, Xian 710032, Peoples R China

[2] Xi An Jiao Tong Univ, Instrumental Anal Ctr, 28 Xianning West Rd, Xian 710049, Peoples R China

[3] Sichuan Univ, Coll Architecture & Environm, Chengdu 610065, Peoples R China

[4] Zhejiang Univ, Sch Mat Sci & Engn, Hangzhou 310027, Peoples R China

[5] Xian Superalloy Technol Co Ltd, 22 Jingwei Rd, Xian 710201, Peoples R China

来源：

METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE | 2022年 / 53卷 / 02期

关键词：

LOW-STRESS CREEP; NI-BASED SUPERALLOY; HIGH-TEMPERATURE; PLASTIC-DEFORMATION; GAMMA'-PHASE; MECHANISMS; DEPENDENCE; ANISOTROPY; ALLOY; YIELD;

D O I：

10.1007/s11661-021-06572-3

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

After compressive deformation at 1000 degrees C and a strain rate of 2.5 x 10(-4) s(-1), deformation mechanisms in the [001]-oriented single-crystal nickel-based superalloy CMSX-4 are investigated. We found that besides dislocation climb, microtwinning and three different shearing processes, which separately result in the formation of pairs of a/2(101) dislocations, a(001) superdislocations and isolated superlattice stacking faults, operate simultaneously during plastic deformation, hence providing new insights into understanding the deformation mechanisms in nickel-based superalloys.

引用

页码：388 / 393

页数：6

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