Functionally graded materials by laser sintering

被引：7
|
作者：
Hu, JD
Tosto, S
Guo, ZX
Wang, CS
机构：
[1] Jilin Univ, Microanal Ctr, Key Lab Automobile Mat, Minist Educ, Changchun 130025, Peoples R China
[2] ENEA CRE Casaccia, I-00060 Rome, Italy
来源：
LASERS IN ENGINEERING | 2002年 / 12卷 / 04期
关键词：
laser sintering; function gradient materials;
D O I：
10.1080/0898150021000054520
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This article concerns functionally gradient materials (FGM) realized by laser sintering. Layers of Fe rich and Cu rich powders were compacted first and then laser sintered to obtain multilayer samples with smooth composition gradients. Microanalysis profiles on the cross sections of sintered samples show gradual increasing of Cu content and decreasing of Fe content. The laser sintered FGM contain several phases such as free graphite, ferrite, pearlite, Cu-Ni solid solutions, austenite, alpha-Cu phase, delta-phase (Cu31Sn8), epsilon-phase (Cu3Sn) as well as eta-phase (Cu6Sn5). The experimental results show good wear resistance and toughness properties of the laser sintered FGMs.
引用
收藏
页码：239 / 245
页数：7
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