期刊
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE
卷 48A, 期 9, 页码 4385-4392出版社
SPRINGER
DOI: 10.1007/s11661-017-4186-7
关键词
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资金
- Office of Naval Research (ONR) [ONR N00014-142-1-0237]
- Slovak Research and Development Agency [SRDA APVV-0556-12]
The length-scale effects on the load bearing capacity of reinforcement particles in an ultrafine-grained metal matrix composite (MMC) were studied, paying particular attention to the nanoscale effects. We observed that the nanoparticles provide the MMCs with a higher strength but a lower stiffness compared to equivalent materials reinforced with submicron particles. The reduction in stiffness is attributed to ineffective load transfer of the local stresses to the small and equiaxed nanoparticles.
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