通过对Fe3Al基合金的电阻率、热膨胀系数的测定及抗氧化性能、高温力学性能的研究发现,Fe3Al基合金的室温电阻率高于Ni80Cr20、0Cr25Al5合金.当温度低于900 ℃时,其抗氧化性能与二种对比合金相当,温度大于900 ℃时,其抗氧化性能明显优于对比合金.高温断裂强度高于0Cr25Al5合金,而与Ni80Cr20合金相当.Fe3Al合金是一种比较理想的电热体材料.
参考文献
| [1] | Tortorelli P F;Deran J H;Distefano J R.High Temperature Oxidation-sulifition Behavior of Fe3Al Alloy Intermetallic Compound[A].,1989:276. |
| [2] | 孙祖庆;黄原定;杨王 等.Fe3Al基金属间化合物强韧化途径探讨[J].金属学报,1993,29:A354-358. |
| [3] | Mckamey C G;Horton J A .The Effect of Molybdenum Addition on Properties of Iron Aluminides[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1989,20:751-757. |
| [4] | Birks N;Meier G H.Introduction to High Temperature Oxidation of Metals[M].New York:Plenum Press,1985:174. |
| [5] | Hyde T A;Sellers C H;Wright J H et al.Electrical Resistance Analysis of the DO3B2 Transition in Alloys of Fe3Al[J].Scripta Metallurgica et Materialia,1994,30:113-118. |
| [6] | Horton J A;Liu C T;Koch C C .Alloying Effects and Microstructure of Iron Aluminides Higher Temperature Alloys-Theory and Design[Z].Bethesda Maryland,1984. |
| [7] | 孙超;郭建亭;谭明晖 等.铬和铌对FeAl合金组织结构和力学性能的影响[J].金属学报,1992,28(11):481-484. |
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%