• CN: 11-2187/TH
  • ISSN: 0577-6686

›› 1995, Vol. 31 ›› Issue (2): 88-92,8.

• Article • Previous Articles     Next Articles

STUDY ON NEW CAST Al-Si ALLOY AND MECHANISM OF ENHANCING AND HEAT RESISTING

Li Peijie;Gui Mahchang;Chen Yuyong;Jia Jun;Zhu Jian   

  1. Harbin Institute of Technology 159Plant, Ministry of Aeronautics and Astronautics Industry
  • Published:1995-03-01

Abstract: A kind of new cast Al-Si alloy of hish strensth and heat-resistance is introduced. The levels of main alloying element are 5.5%~6.5% Si, 1.7%~2.7%Cu, 0.2%~0.4%Mg, 0.15%~0.25%Mn, 0.15%~0.25%Cd, 0.05%~0.10%La, The influences of trace elements Cd and La on mechanical properties of the alloy have been studied experimentally. In addition, the mechanism of heat resisting has also been analised in detail.

Key words: Al-Si alloy, Heat resistance, High strength