高强度铝合金碗头挂板的开发与性能研究  

Development and Performance Study of High Strength Al Alloy Socket Clevis

作　　者：王泽禹 杨达 邵星海[2] 迟鹏 林森 王海龙 WANG Ze-yu;YANG Da;SHAO Xing-hai;CHI Peng;LIN Sen;WANG Hai-long(State Grid Inner Mongolia Eastern Electric Power Co.,Ltd.,Tongliao Power Supply Company,Tongliao 028000,Inner Mongolia,China;Henan University of Science and Technology,Luoyang 471003,Henan,China)

机构地区：[1]国网内蒙古东部电力有限公司通辽供电公司,内蒙古自治区通辽028000 [2]河南科技大学,河南洛阳471003

出　　处：《铸造》2024年第10期1401-1406,共6页Foundry

基　　金：国网蒙东电力科技项目“新型轻质耐蚀连接金具的开发与应用研究”(52662022000A)。

摘　　要：基于铝铜系合金和T5热处理工艺,采用砂型铸造技术进行了高强度铝合金碗头挂板的开发与性能研究。结果表明,铝合金碗头挂板铸件表面光洁,外观良好,内部无缩松、缩孔、气孔和渣眼等铸造缺陷,尺寸满足产品要求,而质量仅为铸钢碗头挂板的32.5%。铝合金材料的硬度为HB107,抗拉强度为483 MPa,屈服强度为317 MPa,伸长率13.5%,具有良好的强度和韧性,样件通过标称破坏载荷型式试验,最大破坏载荷在129 kN以上,能够满足碗头挂板的使用要求。Based on Al-Cu alloy,T5 heat treatment process,and sand casting process,high-strength Al alloy socket clevis was developed.The quality and performance of the samples were studied.The results showed that the surface of Al alloy socket clevis castings was smooth and had a good appearance.In the interior of the casting,casting defects such as shrinkage,porosity,slag pores,etc.were not detected.The size of the casting met the requirements of the product,but the quality was only 32.5%of the cast steel socket clevis.The hardness of material was tested as HB107,the tensile strength was tested as 483 MPa,the yield strength was tested as 317 MPa,and the elongation was tested as 13.5%.The nominal failure load type test of the sample was tested,and the test result showed that the maximum failure load was above 129 kN.Therefore,the high-strength Al alloy socket-clevis eye had good strength and toughness,which could meet the requirements of socket-clevis eye.

关 键 词：铝铜合金 高强度 碗头挂板 轻量化 

分 类 号：TG146.21[一般工业技术—材料科学与工程]