钛过渡层对铝/钢爆炸复合板界面特性与力学性能的影响

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摘要采用爆炸复合工艺制备具有Ti过渡层的Al/钢复合材料,得到Al/Ti/钢(1060/TA1/Q235B)三层爆炸复合板,对该复合板进行界面特性表征与力学性能测试。结果表明：Al/Ti/钢复合板中的Al/Ti界面为正弦波形,Ti/钢界面为锯齿形,界面结合良好。Al/Ti界面和Ti/钢界面间均形成漩涡状熔融区,未出现脆性金属间化合物区域。Al元素和Fe元素在钛层的热扩散层厚度分别为3 μm和3.2 μm,相较于Al/钢界面的热扩散层厚度分别提高76.5%和77.8%。Ti过渡层的加入使Al/钢复合材料的界面拉脱强度由149.88 MPa提高至178.22 MPa,界面剪切强度由75.20 MPa提高至Al/Ti界面的95.55 MPa和Ti/钢界面的332.65 MPa。

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	张文鼎
	李慧中
	梁霄鹏
	曾智恒

关键词 ：爆炸复合, 过渡层技术, Al/钢, Al/Ti/钢, 力学性能

Abstract：The Al/Ti/steel (1060/TA1/Q235B) three-layer explosive composite plate was prepared by explosive composite technology with Ti transition layer. The interface characteristics of these composite plates were characterized and the mechanical properties were tested. The results show that the Al/Ti interface in the Al/Ti/steel composite plate is sinusoidal waveform, the Ti/steel interface is sawtooth waveform, and the interface is well bonded. Vortex melting zone is formed between Al/Ti and Ti/steel interface, and there is no brittle intermetallic compound region. The thickness of thermal diffusion layer of Al and Fe in titanium layer is 3 μm and 3.2 μm, respectively, which is 76.5% and 77.8% higher than that of Al/steel interface, respectively. The addition of Ti transition layer increases the bonding strength of Al/steel composite plate from 149.88 MPa to 178.22 MPa, and the interface shear strength from 75.20 MPa of Al/steel interface to 95.55 MPa of Al/Ti interface and 332.65 MPa of Ti/steel interface.

Key words： explosive cladding interlayer technology Al/steel Al/Ti/steel mechanical properties

收稿日期: 2021-06-04 出版日期: 2021-11-10

ZTFLH:

TG392

基金资助:国家自然科学基金资助项目(51774335)

通讯作者: 李慧中,教授,博士。电话：0731-88830377;E-mail: lhz606@csu.edu.cn

引用本文:

张文鼎, 李慧中, 梁霄鹏, 曾智恒. 钛过渡层对铝/钢爆炸复合板界面特性与力学性能的影响[J]. 粉末冶金材料科学与工程, 2021, 26(5): 456-464.
ZHANG Wending, LI Huizhong, LIANG Xiaopeng, ZENG Zhiheng. Effects of titanium transition layer on interface characteristics and mechanical properties of Al/steel explosive composites. Materials Science and Engineering of Powder Metallurgy, 2021, 26(5): 456-464.

链接本文:

http://pmbjb.csu.edu.cn/CN/ 或 http://pmbjb.csu.edu.cn/CN/Y2021/V26/I5/456

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