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首页> 外文期刊>ISIJ international >Pulse Pressuring Diffusion Bonding Of Ti Alloy/austenite Stainless Steel Processed By Surface Self-nanocrystallization
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Pulse Pressuring Diffusion Bonding Of Ti Alloy/austenite Stainless Steel Processed By Surface Self-nanocrystallization

机译：表面自纳米晶化处理的钛合金/奥氏体不锈钢的脉冲加压扩散结合

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摘要

Nanostructured surface layers were synthesized on the end face of Ti-4AI-2V titanium alloy and 0Cr18Ni9Ti austenite stainless steel rods by means of high energy shot peening (HESP). Making treated end surfaces as bonding interfaces, Ti-4AI-2V and 0Cr18Ni9Ti rods were bonded by pulse pressuring diffusion bonding (PPDB) on Gleeble-1500D tester at 650-750℃. Joints were tested on tensile testing machine, the fractures and microstructures of joints were researched. Results showed that the maximum tension strength of 262.0 MPa was achieved, cleavage fracture took place while tension test of joints, and the grains in the vicinity of the diffusion layer are fined. But, brittle intermetallic compounds were absence on the bonding interface.
机译：利用高能喷丸（HESP）在Ti-4Al-2V钛合金和0Cr18Ni9Ti奥氏体不锈钢棒的端面上合成了纳米结构表面层。以经处理的端面为键合界面，在650-750℃下通过Gleeble-1500D测试仪通过脉冲加压扩散键合（PPDB）键合Ti-4Al-2V和0Cr18Ni9Ti棒。在拉伸试验机上对接头进行了测试，研究了接头的断裂和微观结构。结果表明，最大拉伸强度达到了262.0 MPa，在接头的拉伸试验中发生了断裂断裂，细化了扩散层附近的晶粒。但是，键合界面上没有脆性金属间化合物。

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