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摘要: 以3mm 厚的TA2钛板和26mm 厚的正火态Q345R为材料,通过爆炸焊接实验,对钛/钢复合板 爆炸焊接的动态参数进行了研究。结合复合板结合界面特征、复合板结合强度(剪切强度)以及界面波的金相 组织,讨论了钛/钢爆炸焊接时获得高强度结合和规则的界面结合波状形态的条件。对于3mm 厚TA2与 26mm厚正火态Q345R,该条件是动态碰撞角17,动态碰撞速度vp760m/s。根据界面波及基板轧制 金相组织形态,分析了形成界面波的机理,认为射流阻碍复板连续碰撞基板是形成界面波的一个主要原因。
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关键词:
- 爆炸力学 /
- 界面波 /
- 爆炸焊接 /
- 钛/钢复合板\动态参数
Abstract: Byusing3 mmthicktitanium TA2and26 mmthicknormalizedsteelQ345R,explosive weldingexperimentswereperformed,andthedynamicparameterswerestudied.Inlightofthecharactersofbondingareaofthecladplate, bondstrength (shearstrength)andthemetallurgicalstructuresofinterfacewaves, theconditionsresponsibleforhighbondstrengthandmoreregularinterface wavemorphologywerediscussed.For3mmthicktitanium TA2and26mmthicknormalizedsteel Q345R,theconditionisthedynamicalbendangle17,anddynamicalimpactvelocityvp 760m/s.Themechanismresponsibleforinterfacewaveswasdiscussedaccordingtothemetallurgical structuresofinterfacewavesandthestriationofthebaseplate.Theconclusionisthatthejetprevents thecladplatefromcontinuouslyimpactingthebaseplate,whichisoneofthemainreasonswhythe interfacewaveisalwaysobserved.-
Key words:
- mechanicsofexplosion /
- interfacewave /
- explosivewelding /
- titanium/steelcladplate
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