Synthesis of bubble dispersion strengthened copper by using pyrolysis gases of Poly (methyl methacrylate)

Shi, S.*; Ono, Naoko*; Ukai, Shigeharu*; Abe, Yosuke

Bubble dispersion strengthened copper (BDS-Cu) was synthesized by using the pyrolysis gaseous products of Poly (methyl methacrylate) (PMMA) during spark plasma sintering (SPS) process. Bubbles with an average diameter of 14 nm are densely dispersed in copper matrix with a dispersion distance 119 nm. Vickers' hardness of BDS-Cu is 400 MPa higher than that of pure copper. The strengthening effect is due to the dislocation pinning effect of bubbles.

Language	:	English
Journal	:	Materials Science & Engineering A
Volume	:	617
Number	:
Pages	:	p.61 - 65
Publication Year/Month	:	2014/11
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Paper URL	:	https://doi.org/10.1016/j.msea.2014.08.048
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Keywords	:	no keyword
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Registration No. : AA20150007
JAEA Abstracts No. : 44001312
Paper Submission No. : 17984

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