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Research Progress of High Stress Induced Compression Creep of Titanium Alloys(PDF)

MATERIALS CHINA[ISSN:1674-3962/CN:61-1473/TG]

Issue:
2019年第11期
Page:
1074-1081
Research Field:
Publishing date:

Info

Title:
Research Progress of High Stress Induced Compression Creep of Titanium Alloys
Author(s):
LU Jiafei12DAN Zhenhua12CHEN Bowen12DONG Yuecheng12 ZHANG Aifeng3CHANG Hui12ZHOU Lian12
(1.College of Materials Science and Engineering, Nanjing Tech University, Nanjing 210009, China) (2.Tech Institute for Advanced Materials, Nanjing Tech University, Nanjing 210009, China) (3.China Ship Scientific Research Center, Wuxi 214082, China)
Keywords:
titanium alloysdiffusion-controlled creephigh stress induced compression creepcompression creepcreep mechanism
CLC:

PACS:
TG146.23
DOI:
10.7502/j.issn.1674-3962.201905021
DocumentCode:

Abstract:
Based on the research achievements of tensile creep at elevated temperature, tensile creep and compression creep at room temperature, this article reviews the behavior and mechanism of compression creep of titanium alloys. The differences between creep at room temperature and elevated temperature are also introduced. Based on the observation and analysis on microstructure after creep, the main mechanism involved in the diffusion-controlled creep process, such as dislocation movement, saturated creep and so on, are compared. It is pointed out that there is a stress threshold in the room temperature creep of titanium alloys. And the high stress induced compression creep mechanism of titanium alloys at room temperature is also analyzed. Meanwhile, the main problems and difficulties on the compression creep of deepsea equipment titanium alloys are overviewed and analyzed.

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Last Update: 2019-10-30