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首页> 外文期刊>Materials Science and Technology: MST: A publication of the Institute of Metals >Residual stress analysis of machined lead-free and lead-containing brasses
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Residual stress analysis of machined lead-free and lead-containing brasses

机译:加工无铅和含铅黄铜的残余应力分析

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摘要

Legislations demand low lead content in drinking water and low lead leaching from the water supply facilities. Lead-free brass (LFB) can fit in. The benefits of such alloy are acknowledged in both functional and environmental points of view. The relatively high strength of LFB means that the process condition and residual stress generation can be different as compared to the conventional brass. In this study, residual stress generation for a LFB (CuZn21Si3P) and a leadcontaining brass (CuZn39Pb3) in a face-turning experiment is studied. Besides stress analysis, structural characterisation is also conducted. Stress generation in the feed and cutting directions of two brasses is depicted. Machined topography is measured to evaluate the surface integrity in connection with the machining conditions.
机译:立法要求饮用水中的铅含量低,并且供水设施中的铅含量低。可以使用无铅黄铜(LFB)。从功能和环境角度来看,这种合金的优势都得到认可。 LFB相对较高的强度意味着与传统黄铜相比,加工条件和残余应力的产生可能有所不同。在这项研究中,研究了在端面车削实验中LFB(CuZn21Si3P)和含铅黄铜(CuZn39Pb3)的残余应力产生。除应力分析外,还进行结构表征。描绘了在两个黄铜的进给方向和切割方向上产生的应力。测量加工的形貌以评估与加工条件有关的表面完整性。

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