Influence of hydrogenation on microstructures and microhardness of Ti6Al4V alloy
查看参考文献19篇
|
文摘
|
The microstructures of Ti6Al4V alloy after hydrogenation were investigated by optical microscopy(OM), X-ray diffraction(XRD) and transmission electron microscopy(TEM). The influence of hydrogenation on the hardness of and β phases was analysed by microhardness testing. The influence of hydrogenation on alloying elements diffusion was studied by electron probe microanalysis(EPMA). The microstructural observation reveals that hydride δ (FCC structure) as well as large number of dislocations precipitate in the specimens with 0.278% and 0.514% hydrogen, and a lot of twins are found in the specimen with 0.514% hydrogen, simultaneously. The result of microhardness testing shows that the hardness of and β phases increases synchronously with the increase of hydrogen and the hardness increment of β is larger than that of . According to analysis of EPMA, the diffusion ability of alloy elements Al and V increases after hydrogenation. It is considered that hydrogen solution strengthening and V element diffusion are the main factors causing the hardness of phase increase with the increase of hydrogen, and the formation of δ hydrides, lattice defects, hydrogen solution strengthening and Al element diffusion jointly cause the hardness of β phase increase with the increasing hydrogen. |
|
来源
|
Transactions of Nonferrous Metals Society of China
,2008,18(3):506-511 【核心库】
|
|
DOI
|
10.1016/s1003-6326(08)60089-8
|
|
关键词
|
Ti6Al4V alloy
;
hydrogenation
;
hydride
;
microhardness
;
defect
;
solution strengthening
;
diffusion
|
|
地址
|
1.
School of Materials and Metallurgy, Northeastern University, Shenyang, 110004
2.
Beijing Aeronautical Manufacturing Technology Research Institute, Beijing, 100024
|
|
语种
|
英文 |
|
文献类型
|
研究性论文 |
|
ISSN
|
1003-6326 |
|
学科
|
矿业工程 |
|
基金
|
国家自然科学基金
|
|
文献收藏号
|
CSCD:3252473
|
参考文献 共
19
共1页
|
|
1.
MR LOUTHAN. Hydrogen embrittlement of metals.
Materials Science and Engineering,1972,10:357-368
|
被引
1
次
|
|
|
|
|
2.
GP CHEREPANOV. On the crack growth owing to hydrogen embrittlement.
Engineering Fracture Mechanics,1973,5(4):1041-1050
|
被引
1
次
|
|
|
|
|
3.
GM PRESSOUYRE. Trap theory of hydrogen embrittlement.
Acta Metallurgica,1980,28(7):895-911
|
被引
1
次
|
|
|
|
|
4.
A HASUI. Friction welding of titanium and SUS304L austenitic stainless steel.
Welding International,1990(10):768-774
|
被引
1
次
|
|
|
|
|
5.
CL BRIANT. Hydrogen embrittlement of commercial purity titanium.
Corrosion Science,2002,44:1875-1888
|
被引
1
次
|
|
|
|
|
6.
AA ILYIN. Thermohydrogen treatment-The base of hydrogen technology of titanium alloys.
Titanium 95:Science and Technology,1996:2462-2469
|
被引
1
次
|
|
|
|
|
7.
Ming-chen HAN. Thermohydrogen treatment of titanium alloys.
Aerospace Materials and Technology,1999(1):23-27
|
被引
1
次
|
|
|
|
|
8.
BA KOLACHEV. The effect of hydrogen alloying on workability of titanium alloys.
Titanium'92: Science and Technology,1993:861-869
|
被引
1
次
|
|
|
|
|
9.
Y MAHAJAN. Studies of hydrogenation in Ti-6Al-4V alloy.
Scripta Metallurgica,1979,13(8):695-699
|
被引
2
次
|
|
|
|
|
10.
ON SENKOV. Thermohydrogen processing of titanium alloys.
Int J Hydrogen Energy,1999,24:565-576
|
被引
73
次
|
|
|
|
|
11.
D ELIEZER. Positive effects of hydrogen in metals.
Materials Science and Engineering A,2000,280:220-224
|
被引
21
次
|
|
|
|
|
12.
R DING. Microstructural evolution of a Ti-6Al-4V alloy during thermomechanical processing.
Materials Science and Engineering A,2002,327:233-245
|
被引
55
次
|
|
|
|
|
13.
JI QAZI. Kinetics of martensite decomposition in Ti-6Al-4V-xH alloys.
Materials Science and Engineering A,2003,359:137-149
|
被引
2
次
|
|
|
|
|
14.
Liang-shun LUO. Formation of titanium hydride in Ti-6Al-4V alloy.
Journal of Alloys and Compounds,2006,425:140-144
|
被引
11
次
|
|
|
|
|
15.
Gang HUANG. Physical and chemical properties of titanium-hydrogen system.
Materials Review,2006,20(10):128-131
|
被引
1
次
|
|
|
|
|
16.
DV SCHUR. Phase transformations in titanium hydrides.
Int J Hydrogen Energy,1996,21(11/12):1121-1124
|
被引
10
次
|
|
|
|
|
17.
She-wei XIN. Discussion about the heat treatment and precipitated phases of titanium alloy.
Transactions of Metal Heat Treatment(in Chinese).,2006,31(9):39-42
|
被引
1
次
|
|
|
|
|
18.
RA ORIANI. Equilibrium aspects of hydrogen-induced cracking of steels.
Acta Mettallurgica,1974,22:1065-1074
|
被引
1
次
|
|
|
|
|
19.
Hong-liang HOU. Technology of hydrogen treatment for titanium alloy and its application prospect.
The Chinese Journal of Nonferrous Metal(in Chinese),2003,13(3):533-549
|
被引
5
次
|
|
|
|
|
了解气象卫星更多信息，请访问