研究了Ce、K、Na复合变质处理对钨白口铸铁组织和性能的影响.在常规热处理条件下,变质处理后的共晶碳化物变成了团球状.共晶碳化物形态的改善使得钨合金白口铸铁的力学性能,尤其是冲击韧性大幅度提高,其磨损性能也显著提高.
参考文献
| [1] | WangMC;Ren S Z;Wang X B et al.Study of sand slurry erosion of W-alloy white cast irons[J].Wear,1993,160(02):259-264. |
| [2] | Yichuan Pan;Hua Yang;Xiangfa Liu .Effect of K/Na on microstructure of high-speed steel used for rolls[J].Materials Letters,2004(12/13):1912-1916. |
| [3] | 祖方遒;杨相寿.SG变质剂对球铁的作用[J].山东工业大学学报,1986(01):17-28. |
| [4] | FlemingsMC.SolidificationProcessing[M].McGraw-HillInc,1974:263-289. |
| [5] | 符寒光 .钨合金白口铸铁的热分析[R].西安:西安公路学院,1990. |
| [6] | 祖方遒.钾、钠在铁碳铸造合金中作用机理的探讨[J].热加工工艺,1996(04):16. |
| [7] | P.D.ZAVATTIERI;H.D.ESPINOSA .GRAIN LEVEL ANALYSIS OF CRACK INITIATION AND PROPAGATION IN BRITTLE MATERIALS[J].Acta materialia,2001(20):4291-4311. |
| [8] | H. QIU;H. MORI .Fracture Mechanism and Toughness of the Welding Heat-Affected Zone in Structural Steel under Static and Dynamic Loading[J].Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science,2000(11):2785-2791. |
| [9] | 凡定胜.稀土变质处理改善Cr12白口铸铁的组织和性能[J].热加工工艺,1990(06):6-9. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%