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研制了一种新的减摩合金[A.C.1151581(苏联)],其成份:2.8～3.6%C,2.4～4.4%Si,0.9～1.4%S,0.1～0.49%Mn,0.1～0.3%P。铸铁的高含硅量不仅可加快石墨化过程,并且可通过铁素体的起层提高金属的耐磨性。高含磷量保证在摩擦过程中磨损表面出自磷化现象——在 P,F_c 和M_n 的氧化过程中铸铁摩擦面上磷酸铁和磷酸锰。根据全苏机器制造标准科研所的标准方法,取压力为120MPa,在 CMy—2试验机上模拟半干燥磨损(用蒸镏水作润滑剂)进
A new anti-friction alloy [A.C.1151581 (USSR)] has been developed. Its composition is 2.8-3.6% C, 2.4-4.4% Si, 0.9-1.4% S, 0.1-0.49% Mn and 0.1-0.3% P. The high silicon content of cast iron not only speeds up the graphitization process, but also improves the wear resistance of the metal through the underlying layer of ferrite. The high P content ensures that worn surfaces are phosphated during the rubbing process - iron phosphate and manganese phosphate on the friction surfaces of the cast irons during the oxidation of P, F_c and M_n. According to the standard method of the Institute of Standardization of Manufacturing Machinery in Suzhou, the pressure is 120 MPa and the semi-dry wear (using distilled water as lubricant) on the CMy-2 tester is simulated