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钛/铝/镁爆炸焊复合板波形界面及力学性能

张婷婷1,2,王文先1,2,魏屹1,2,曹晓卿1,2

张婷婷1,2,王文先1,2,魏屹1,2,曹晓卿1,2. 钛/铝/镁爆炸焊复合板波形界面及力学性能[J]. 焊接学报, 2017, 38(8): 33-36. DOI: 10.12073/j.hjxb.20151021001
引用本文: 张婷婷1,2,王文先1,2,魏屹1,2,曹晓卿1,2. 钛/铝/镁爆炸焊复合板波形界面及力学性能[J]. 焊接学报, 2017, 38(8): 33-36. DOI: 10.12073/j.hjxb.20151021001
ZHANG Tingting1,2, WANG Wenxian1,2, WEI Yi1,2, CAO Xiaoqing1,2. Wavy interface and mechanical properties of explosive welded Ti/Al/Mg cladded plate[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2017, 38(8): 33-36. DOI: 10.12073/j.hjxb.20151021001
Citation: ZHANG Tingting1,2, WANG Wenxian1,2, WEI Yi1,2, CAO Xiaoqing1,2. Wavy interface and mechanical properties of explosive welded Ti/Al/Mg cladded plate[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2017, 38(8): 33-36. DOI: 10.12073/j.hjxb.20151021001

钛/铝/镁爆炸焊复合板波形界面及力学性能

Wavy interface and mechanical properties of explosive welded Ti/Al/Mg cladded plate

  • 摘要: 文中提出以薄的铝合金板作为过渡层,采用爆炸焊接技术成功制备钛/铝/镁层状复合材料. 对钛/铝接合界面、铝/镁接合界面及钛/铝/镁爆炸复合板的整体力学性能进行了分析研究. OM和SEM试验结果表明,钛/铝接合界面和铝/镁接合界面均为波状接合界面,在铝/镁界面出现了局部熔化区;钛/铝接合界面为小尺寸波(λ=160 μm,h=26 μm),铝/镁接合界面为大尺寸波(λ=1 740 μm,h=406 μm);拉-剪试验表明,复合板沿着铝/镁接合界面断裂;弯曲性能测试表明,钛板一侧受拉时复合板弯曲强度和塑性均优于镁合金板一侧受拉,断裂始于铝/镁接合界面,最终从镁合金板一侧剪切断裂失效.
    Abstract: In this study, within the transition layer of aluminum plate, Ti/Al/Mg explosion cladded plate were well fabricated by explosive welding. The Ti/Al, Al/Mg bonding interface and the whole Ti/Al/Mg composite plate’s mechanical properties were investigated. The OM and SEM result revealed that both bonding interface of Ti/Al and Al/Mg interface show periodic wave morphology, and partial melting zone was appeared in the Al/Mg bonding interface. The interface wave sizes of Ti/Al interface wave show a small size with 160 μm in amplitude and 26 μm in wavelength, and the Al/Mg interface wave presents a large size, measured the length of 1 740 μm and the mean amplitude of 406 μm. The fracture position after tensileshear testing test was along Al/Mg bonding interface. The threepoint bending testing strength of Ti/Al/Mg composite plate was found to be higher under the condition of Mg alloy layer in pressure, and the crack propagation begins at the Al/Mg bonding interface and then fracture failure at the base metal magnesium alloy plate.
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  • 收稿日期:  2015-10-20

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