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七六年六月份,我们沈阳机车车辆厂、沈阳机电学院铸工进修班的部分师生,在厂、院党组织的领导下,在工人师付、革命师生的共同努力下,进行了耐磨合金铸铁缸套、活塞环的试制工作,采用正交试验的方法,对合金元素对硬化相显微硬度及对耐磨性的影响,进行了系统的试验,取得了一定的成果。我们把试制和试验的过程介绍如下。
In June, 1976, a group of teachers and students from Shenyang Locomotive and Rolling Stock Works and Shenyang Institute of Mechanical and Electrical Engineering, under the leadership of the factory and the party’s organization, carried out wear-resisting work under the joint efforts of the workers and teachers and the revolutionary teachers and students Alloy cast iron cylinder liner, piston ring trial work, the use of orthogonal test method, alloying elements on the hardened phase microhardness and wear resistance of the system test, and achieved some results. We will trial and test the process described below.