DataVXScience and Technology of Welding and JoiningPaper
journal article·2016-07

Measuring residual stresses in linear friction welded joints composed by dissimilar titanium

P. Xie, H. Zhao, Y. Liu

Science and Technology of Welding and Joining· Volume 21· Issue 5
Publisher page
Source abstract

Abstract

The Ti–5Al–2Sn–2Zr–4Mo–4Cr (Ti17) titanium alloy is the main material used in manufacturing blades and disks of aero engines, and it is always jointed with different microstructures for the design constraints. In this work, the residual stresses of linear friction welding of β Ti17 and α + β Ti17 are measured by contour method and the X-ray diffraction method. The welding-induced tensions were found to be greater on the β side than that on the α + β side, and had an obvious reduction in the weld centre. After the post weld heat treatment (PWHT) of 630°C for 3 h, all tensions on the β side relax to a very limited value while some new PWHT-induced compressions are found on the α + β side.
Source: crossref · Quality: baseline

Research context

Metals & alloysMaterials processing

OpenAlex topics: Advanced Welding Techniques Analysis · Welding Techniques and Residual Stresses · Titanium Alloys Microstructure and Properties

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China

State Key Laboratory of Tribology, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China

Beijing Aeronautical Manufacture Technology Research Institute, Beijing 100024, China

Funding

the National Natural Science Foundation of China · Funding of State Key Lab of Tribology in Tsinghua University · the Specialized Research Fund for the Doctoral Program of Higher Education of China · the Beijing Natural Science Foundation

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