研究了高压水雾化Ni-16Cr-XAl-3Fe (X=4.5,9.0,13.5,18,质量分数,%)合金粉末的压缩与成形性能.结果表明,Ni-16Cr-XAl-3Fe 合金粉末的显微硬度随Al含量的增加而增大.水雾化Ni-16Cr-XAl-3Fe合金粉末的压制行为可以通过黄培云双对数压制方程进行描述.通过理论计算发现,高Al含量的合金粉末压制过程中出现严重的加工硬化,从而使高Al含量的Ni-16Cr-XAl-3Fe合金粉末难以压制成形,压坯出现分层和开裂.出现上述现象的原因主要是由于高Al含量的Ni-16Cr-XAl-3Fe合金粉末中含有一定数量的Ni3Al或NiAl金属间化合物析出相.
参考文献
[1] | Guan X F;Ben Gardner;Ruth Ann Martin et al.[J].Powder Technology,2008,180:122. |
[2] | Sharma S D;Dolan M;Park D et al.[J].Powder Technology,2008,180:115. |
[3] | Mónica Lupión;Francisco J;Gutiérrez Ortiz et al.[J].Fuel,2010,89:848. |
[4] | Sunil D Sharma;Dolan M;Ilyushechkin A Y et al.[J].Fuel,2010,89:817. |
[5] | Pirjo Pastila;Vesa Helanti;Antti-Pekka Nikkil(a) et al.[J].Journal of the European Ceramic Society,2001,21:1261. |
[6] | Alvin M A .[J].Fuel Processing Technology,1998,56:143. |
[7] | Mckamey C G;Mceleary D;Tortorelli P F.[A].Morgantown:NTAL,2002 |
[8] | Banovic S W;Dupont J N;Marder A R .[J].Materials at High Temperatue,1999,16:195. |
[9] | Hamid A U .[J].Corrosion Science,2004,46:27. |
[10] | 薛茂权.石墨含量对镍基高温合金在900 ℃氧化行为的影响[J].稀有金属材料与工程,2009(07):1146-1149. |
[11] | Jiang S M;Xu C Z;Li H Q et al.[J].Corrosion Science,2010,52:435. |
[12] | Heeman Choe;David C. Dunand .Synthesis, structure, and mechanical properties of Ni–Al and Ni–Cr–Al superalloy foams[J].Acta materialia,2004(5):1283-1295. |
[13] | Suwardie J H;Artiaga R;Mier J L .[J].Thermochimica Acta,2002,295:392. |
[14] | Anderson I E;Brian Gleeson;Terpstra R L.[A].Morgantown:NTAL,2002 |
[15] | Hesabi Z R;Hafizpour H R;Simchi A .[J].Materials Science and Engineering A,2007,91:454. |
[16] | 黄培云.粉末冶金原理[M].北京:冶金工业出版社,1982 |
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%