Interfacial bonding in spray-formed metal matrix composites

被引：2
|
作者：
DeSanctis, M
Valentini, R
Solina, A
机构：
[1] UNIV PISA,DEPT IND CHEM,I-56100 PISA,ITALY
[2] UNIV PISA,DEPT MAT SCI,I-56100 PISA,ITALY
来源：
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE | 1997年 / 28卷 / 04期
关键词：
Material Transaction; Heat Exposure; Molten Droplet; Ticulate Fracture; Osprey Metal;
D O I：
10.1007/s11661-997-0242-z
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The failure mechanism, governed by particulate fracturing in aged materials, for a spray-deposited (SD) SiCp-reinforced Al-Zn-Mg-(Cu) alloy was studied. An increase in the modulus of elasticity and decrease in both ductility and strength were observed for peak-aged materials relative to unreinforced alloy. Transmission electron microscopy revealed a massive precipitation of metastable η′ precipitates within Al grains and the presence of relatively large particles mainly consisting of a Mg2Zn3Al2 phase, cubic in structure with a lattice parameter close to 1.47 nm.
引用
收藏
页码：1099 / 1101
页数：3
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