利用Gleeble-1500热学-力学模拟机,对A2017半固态合金进行半固态压缩变形实验,分析了应力-应变曲线和组织变化,研究了压缩变形机制及成形性能结果表明,用单辊搅拌冷却(SCR)技术制备的A2017半固态合金的组织为细小均匀的非枝晶等轴晶,二次加热后可转化为均匀的球形晶和共晶液相组成的半固态组织;A2017合金半固态压缩变形的塑性好、变形抗力低;随着变形温度的升高或者变形速率的降低,变形的抗力降低.在稳定的流动变形阶段,A2017合金的半固态变形机制主要由液相流动和固相颗粒的转动与滑动组成,触变性能稳定,最大半固态加工变形范围为60%左右.
参考文献
[1] | XIE Shuisheng, PAN Hongping, DING Zhiyong, Journal of Plasticity Engineering, 9(2), 1(2002)(谢水生,潘洪平,丁志勇,塑性工程学报,9(2),1(2002)) |
[2] | M.C.Flemings, Metall. Trans., 22, 957(1991) |
[3] | D.H.Kirkwood, International Materials Reviews, 39, 173(1994) |
[4] | DONG Jie, CUI Jianzhong, LE Qichi, Mater. Sci. Eng., 345, 234(2003) |
[5] | ZU Lijun, LUO Shoujing, SUN Jiakuan, The Chinese Journal of Nonferrous Metals, 10(S1), 192(2000)(祖丽君,罗守靖,孙家宽,中国有色金属学报,10(S1),192(2000)) |
[6] | SUN Jiakuan, LUO Shoujing, The Chinese Journal of Nonferrous Metals, 9(3), 493(1999)(孙家宽,罗守靖,中国有色金属报,9(3),493(1999)) |
[7] | CHEN Xiaoyang, MAO Weimin, ZHONG Xueyou, Materials for Mechanical Engineering, 22(4), 25(1998)(陈晓阳,毛卫民,钟雪友,机械工程材料,22(4),25(1998)) |
[8] | LIU Dan, CUI Jianzhong, XIA Kenong, Trans. Nonferrous Met. Soc. China, 10(2), 192(2000) |
[9] | SONG Renbo, KANG Yonglin, YANG Xiongfei, MAO Weimin, YANG Maosheng, Chinese Journal of Materials Research, 14(6), 591(2000)(宋仁伯,康永林,杨雄飞,毛卫民,杨卯生,材料研究学报,14(6),591(2000)) |
[10] | P.K.Seo, S.W.Youn, C.G.Kang, Journal of Materials Processing Technology, 130, 551(2002) |
[11] | C.G.Kang, J.S.Choi, K.H.Kim, Journal of Materials Processing Technology, 88, 159(1999) |
[12] | M.Kiuchi, S.Sugiyama, ISIJ International, 35(6), 790(1995) |
[13] | WANG Shuncheng, WEN Jinglin, LI Yinglong, CHEN Yanbo, ZHOU Tianguo, Foundry, 52(10), 740(2003)(王顺成,温景林,李英龙,陈彦博,周天国,铸造,52(10),740(2003)) |
[14] | WEN Jinglin, GUAN Renguo, LIU Xianghua, Chinese Journal of Materials Research, 17(1), 55(2003)(温景林,管仁国,刘相华,材料研究学报,17(1),55(2003)) |
[15] | GUAN Rreguo, WEN Jinglin, LIU Xxianghua, Mater. Sci. Tech., 19(4), 503(2003) |
[16] | T.L.Nguyen, M.Suery, Mater. Sci. Eng., 196, 33(1995) |
[17] | R.Kopp, J.G.Choi, N.Dag, Journal of Materials Processing Technology, 135, 317(2003) |
[18] | E.R.DE Freitas, M.Ferrante, Acta Mater., 49, 3839(2001) |
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%