焊接速度对7075铝合金搅拌摩擦焊接头强度和微观组织的影响
한접속도대7075려합금교반마찰한접두강도화미관조직적영향
Effect of Welding speed on Microstructure and Mechanical Properties of Welded joint of High-strength Aluminum Alloy by Friction Stir Welding
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