采用低温快速热压法原位反应制备了微-纳米Al2O3原位增强Fe-Cr-Ni金属基复合材料.研究了烧结温度和保温时间对复合材料微观组织和力学性能的影响.XRD分析表明在烧结温度为700℃和800℃时,生成产物为(fcc)Cr0.19Fe0.7Ni0.11,(fcc)Fe-cr和Al2O3;SEM分析显示烧结温度为800℃,保温时间为1 h时晶粒分布更均匀,形成更致密的网状结构并且断裂形式为穿晶断裂和沿晶断裂;TEM分析得出微-纳米Al2O3颗粒为晶间型和晶内型复合.通过调节烧结温度和保温时间,制备了力学性能优良的微.纳米Al2O3原位增强Fe-Cr-Ni金属基复合材料.
参考文献
[1] | Meal Handbook[M].OH:American Society for Metals Park,1980:207. |
[2] | Roesler J.[J].Acta Materialia,2000(48):3553. |
[3] | Reichman S.Superalloys[M].New York:John Wiley and Sons,Inc,1987:459. |
[4] | 夏鹏成,于金江,孙晓峰,赵乃仁,侯桂臣,管恒荣,胡壮麒.热处理对定向镍基高温合金DZ951γ'相的影响[J].稀有金属材料与工程,2006(05):779-782. |
[5] | Ohji T.;Nakahira A.;Niihara K.;Hirano T. .PARTICLE/MATRIX INTERFACE AND ITS ROLE IN CREEP INHIBITION IN ALUMINA/SILICON CARBIDE NANOCOMPOSITES[J].Journal of the American Ceramic Society,1996(1):33-45. |
[6] | Rosier J et al.[J].Acta Materialia,2000,48(13):3553. |
[7] | Tjong SC.;Ma ZY. .Microstructural and mechanical characteristics of in situ metal matrix composites [Review][J].Materials Science & Engineering, R. Reports: A Review Journal,2000(3/4):49-113. |
[8] | Sandhang K H.Handbook of Advanced Ceramics[M].USA:Academic Press,2003 |
[9] | Claussen N et al.[J].Journal of Materials Research,1996(11):2884. |
[10] | Travitzky N.[J].Materials Science and Engineering A,2002(344):245. |
[11] | McKamey C G.[J].Materials Research,1989(04):1156. |
[12] | Chen C.[J].Materials Science Forum,2007(544-545):87. |
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%