为解决粉末高速钢成形和烧结困难的问题,提出了添加石墨粉末改善成形性,降低烧结温度和拓宽烧结窗口的实用方法.对粉末高速钢耐磨摇臂镶块的的成分、工艺、组织和性能进行了系统的试验研究.确定了较优的化学成分为M2+0.2%G,超固相线液相烧结(SLPS)工艺为1050℃×1h+1200℃×1.5h+1240℃×0.25h.制备出符合性能要求的粉末冶金摇臂镶块,其密度≥8.0g/cm3,硬度≥150HRC.研究表明采用液相烧结的粉末高速钢摇臂镶块具有优良的性能.
参考文献
| [1] | OTSSON L R;RIS CHMEISTER H F .PM shuttle experiment challenges scientific principle[J].Metal Powder Report,1996,51(04):3. |
| [2] | BOLTEN J D .PM tackles the final fronties[J].Metal Powder Report,1997,52(03):7-10. |
| [3] | QUEENEY R A .Modem developments in sintered high speed steel[J].Metal Powder Report,1996,51(06):33-36. |
| [4] | 高家诚,王勇,李庆安,王平,杨亮.粉末冶金耐磨摇臂镶块的组织和性能分析[J].汽车工艺与材料,2002(02):17-20. |
| [5] | F. Tepper .Electro-explosion of wire produces nanosize metals[J].Metal Powder Report,1998(6):31-33. |
| [6] | URRUTIBEASKOA L .Inproved Sintering reponse of vanadium-rich High speed steel[J].The International Journal of Power Metallurgy,1993,29(04):367-377. |
| [7] | BOLTON J D .Liquid phase sintering of various high speed steel with copper-phosphorus addition[J].Powder Metallurgy,1991,34(04):273-279. |
| [8] | 高家诚;张廷楷 .烧结高速钢的进展[J].四川有色金属,1997,2:31-36. |
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