全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

高压热处理对铝青铜热物理性能的影响

DOI: 10.11858/gywlxb.2010.04.010, PP. 300-304

Keywords: 铝青铜,高压热处理,热物理性能

Full-Text   Cite this paper   Add to My Lib

Abstract:

在5GPa压力下对铝青铜进行750℃、保温15min的高压热处理,对高压热处理前后铝青铜的电导率以及25~600℃温度范围内的热扩散系数、热容和热导率进行测试,结合显微组织的观察结果,探讨了高压热处理对铝青铜热物理性能的影响。研究表明:高压热处理能增大铝青铜的热扩散系数,减小热容;对热导率而言,温度低于400℃时高压热处理能增大铝青铜的热导率,而温度高于400℃时高压热处理能减小铝青铜的热导率。分析认为,产生变化的主要原因是高压热处理使铝青铜的微观组织发生了变化。

References

[1]  Li W S, Wang Z P, Lu Y, et al. Preparation, Mechanical Properties and Wear Behaviors of Novel Aluminum Bronze for Dies [J]. Transactions of Nonferrous Metals Society of China, 2006, 16(3): 607-612.
[2]  Straumal B B, Baretzky B, Mazilkin A A, et al. Formation of Nanograined Structure and Decomposition of Supersaturated Solid Solution during High Pressure Torsion of Al-Zn and Al-Mg Alloys [J]. Acta Mater, 2004, 52(15): 4469-4478.
[3]  Wang Z L, Wang H W, Wei Z J, et al. High Pressure Solidification Microstructure and Stability of Al-9. 6%Mg Alloy [J]. The Chinese Journal of Nonferrous Metals, 2007, 17(3): 384-389. (in Chinese)
[4]  王振玲, 王宏伟, 魏尊杰, 等. Al-9. 6%Mg合金高压凝固组织及稳定性 [J]. 中国有色金属学报, 2007, 17(3): 384-389.
[5]  Xu R, Zhao H, Li J, et al. Microstructures of the Eutectic and Hypereutectic Al-Ge Alloys Solidified under Different Pressures [J]. Mater Lett, 2006, 60(6): 783-785.
[6]  Zhao J, Liu L, Yang J R, et al. Effects of High Pressure on the Microstructure and Hardness of a Cu-Zn Alloy [J]. Rare Metals, 2008, 27(5): 541-544.
[7]  Wang H Y, Chen Y, Liu Y W, et al. Pressure Effects on Solid State Phase Transformation of Aluminium Bronze in Cooling Process [J]. Chinese Physics Letters, 2009, 26(10): 106201.
[8]  Yang J R, Liu L, Ren Y J, et al. Effect of High Pressure and Heat Treatment on Microstructure of Aluminum Bronze [J]. Chinese Journal of High Pressure Physics, 2008, 22(3): 318-322. (in Chinese)
[9]  杨景茹, 刘琳, 任艳军, 等. 高压和热处理对铝青铜微观组织的影响 [J]. 高压物理学报, 2008, 22(3): 318-322.
[10]  Tian R Z, Wang Z T. Cu Alloys and It's Working Handbook [Z]. Changsha: Central South University Press, 2002: 5. (in Chinese)
[11]  田荣璋, 王祝堂. 铜合金及其加工手册 [Z]. 长沙: 中南大学出版社, 2002: 5.
[12]  Liu Y G, Xu L, Wang Q F, et al. Bulk α-Fe/Nd2Fe14B Nanocomposite Magnets Prepared by the Phase Transition of Amorphous Nd9Fe81Co3Nb1B6 under High Pressure [J]. Mater Lett, 2008, 62(23): 3890-3892.
[13]  Li H, Xu Y D, Zhang L T, et al. Thermophysical Properties of 2. 5D C/SiC Composites [J]. Journal of Aeronautical Materials, 2007, 27(4): 60-64. (in Chinese)
[14]  李宏, 徐永东, 张立同, 等. 2. 5D C/SiC复合材料的热物理性能 [J]. 航空材料学报, 2007, 27(4): 60-64.
[15]  Wang F, Cai H, Wang Y P. The Microstructure and Properties of Fine Crystalline Al-50Si Alloy Prepared by High-Energy Ball Milling [J]. Chinese Journal of Materials Research, 2009, 23(5): 495-499. (in Chinese)
[16]  王菲, 蔡辉, 王亚平. 用高能球磨法制备的细晶Al-50Si合金的组织与性能 [J]. 材料研究学报, 2009, 23(5): 495-499.
[17]  Dong Y H, Zhou X L, Hua X Z. Effect of Porosity on Thermal Performance of Mo-Cu Composite [J]. Hot Working Technology, 2008, 37(16): 1-4. (in Chinese)
[18]  董应虎, 周贤良, 华小珍. 孔隙率对Mo/Cu复合材料热物理性能的影响 [J]. 热加工工艺, 2008, 37(16): 1-4.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133