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Tensile properties and fracture characteristics of TC18 alloy by electron beam wire deposition
Huang, Zhitao; Suo, Hongbo; Gong, Shuili; Liu, Jianrong; Yang, Guang; Yang, Yang; Huang, ZT (reprint author), Beijing Aeronaut Mfg Technol Res Inst, Sci & Technol Power Beam Proc Lab, Beijing 100024, Peoples R China.
2016
发表期刊MATERIALS TECHNOLOGY
ISSN1066-7857
卷号31期号:2页码:115-120
摘要In order to provide guidance for the regulation of mechanical properties of TC18 titanium alloy built by electron beam wire deposition (EBWD), the fracture mechanism of the alloy has been investigated. The EBWD TC18 alloy exhibits columnar -grains growing opposite to the heat flow. The microstructure is composed of basket weave microstructures and grain boundary -phases. The rupture of EBWD TC18 alloy originates at the grain boundary and is prone to propagate along the grain boundary -phases, leading to decrease in elongation of the alloy. The fracture property of the EBWD TC18 alloy is mainly ductile fracture, which is broken by both normal stress and shear stress. The fracture mechanism is a mixture of intergranular-ductile fracture and transgranular-dimple fracture.
部门归属[huang, zhitao ; suo, hongbo ; gong, shuili ; yang, guang ; yang, yang] beijing aeronaut mfg technol res inst, sci & technol power beam proc lab, beijing 100024, peoples r china ; [liu, jianrong] chinese acad sci, inst met res, shenyang 110043, peoples r china
关键词Tc18 Titanium Alloy Electron Beam Wire Deposition Microstructure Fracture Mechanism
学科领域Materials Science
资助者Science and Technology on Power Beam Processes Laboratory at Beijing Aeronautical Manufacturing Technology Research Institute
收录类别sci
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/75967
专题中国科学院金属研究所
通讯作者Huang, ZT (reprint author), Beijing Aeronaut Mfg Technol Res Inst, Sci & Technol Power Beam Proc Lab, Beijing 100024, Peoples R China.
推荐引用方式
GB/T 7714
Huang, Zhitao,Suo, Hongbo,Gong, Shuili,et al. Tensile properties and fracture characteristics of TC18 alloy by electron beam wire deposition[J]. MATERIALS TECHNOLOGY,2016,31(2):115-120.
APA Huang, Zhitao.,Suo, Hongbo.,Gong, Shuili.,Liu, Jianrong.,Yang, Guang.,...&Huang, ZT .(2016).Tensile properties and fracture characteristics of TC18 alloy by electron beam wire deposition.MATERIALS TECHNOLOGY,31(2),115-120.
MLA Huang, Zhitao,et al."Tensile properties and fracture characteristics of TC18 alloy by electron beam wire deposition".MATERIALS TECHNOLOGY 31.2(2016):115-120.
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