... 特种钢special steel 特种黄铜special brass 特种蒙气退火炉special atmosphere annealing furnace ...
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... 法兰阀 闸阀 2.3 材料的性能 Northeastern University 材料概论：第2讲 材料的组成、结构与性能 （2）特殊黄铜( special brass ) 在黄铜中加入Al、Fe、Si、Cr、Ni、Sn、Mn 等元素所形成的合金。
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The wear mechanisms of experimental material against GCrl5 steel under dry friction condition were systematically investigated, the wear resistance property of two other special brass alloys was compared with experimental alloy. As a result, experimental alloy have excellent wear resistibility.
3．系统研究了自制实验合金在GCr15钢在干摩擦状态下对磨时的摩擦磨损机理，并与同类复杂黄铜合金磨损情况进行了比较，结果表明：HAL62-4-3-O．合金相较其它同类合金具有优良的耐磨性能。
参考来源 - 汽车同步器齿环用HAL62·2,447,543篇论文数据，部分数据来源于NoteExpress
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