Strengthening of Ti-6Al-4V alloy by high temperature ultrasonic nanocrystal surface modification technique

被引：44
作者：
Amanov, A. [1 ]
Urmanov, B. [1 ]
Amanov, T. [2 ]
Pyun, Y. S. [1 ]
机构：
[1] Sun Moon Univ, Dept Mech Engn, Asan 31460, South Korea
[2] Acad Sci Uzbek, Inst Mech & Seism Stabil Struct, Tashkent 100125, Uzbekistan
来源：
MATERIALS LETTERS | 2017年 / 196卷
基金：
新加坡国家研究基金会;
关键词：
Ti-6Al-4V alloy; Hardness; Residual stress; Heat treatment; UNSM; MECHANICAL-PROPERTIES; HEAT-TREATMENT; MICROSTRUCTURAL EVOLUTION; PLASTIC-DEFORMATION; WEAR;
D O I：
10.1016/j.matlet.2017.03.059
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Ti-6Al-4V alloy was subjected to heat treatment with (w/) and without (w/o) ultrasonic nanocrystalline surface modification (UNSM) treatment. The diffraction peaks of heat treatment w/o UNSM treatment samples were shifted to higher angles due to the tensile stress, while the heat treatment w/UNSM treatment samples led to the intensity reduction and broadening, and the shift to lower angles, which may be attributed to the compressive residual stress, which increased with increasing the temperature. However, the peaks of heat treatment w/UNSM treatment sample at 400 degrees C were shifted to higher angles. This unusual behavior of the alloy is associated with a high tensile stress of a phase. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：198 / 201
页数：4
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