王耀勉 Likes:

Affiliation of Author(s):

冶金工程学院

Journal:

Advanced Composite Materials(SCI)

Key Words:

中文关键字：颗粒增强金属基复合材料; 力学性能; 微观组织; 模拟，英文关键字：particle-reinforced metal matrix composites (PR-MM

Abstract:

SiC particles with four different sizes of 3, 13, 21 and 45 μm were used as reinforcements to prepare iron matrix composite by electric heating dynamic hot-press sintering method. Tensile test at room temperature was carried out to investigate the influence of particle size on mechanical behavior. The results show that iron matrix composites with SiC particle of 13 μm achieve the best tensile strength and elongation. The stress-strain curves of those composites were simulated using a combined model taking into account the dislocation strengthening and particle-cracking probability based on Eshelbys equivalent inclusion method and the microstructures were observed to explain the experimental results. The iron matrix composites with SiC particle of 13 μm with excellent mechanical property can be reasonably attributed to the uniform reinforcement distribution compared with the ones with particle of 3 μm and the relative higher dislocation strengthening effects and lower particle-cracking probability compared with the ones with coarser particles.

Note:

SCI/EI:20133716734558

Co-author:

Zhang,C.H.,Zong,Y.P.,Yang,H.P.

First Author:

wangyaomian

Indexed by:

Journal paper

Volume:

卷：22

Issue:

期：5

Page Number:

页：299-310

Translation or Not:

no

Date of Publication:

2013-10-01