Life Cycle Assessment of Copper Sulfide-Dispersed Lead-Free Bronze

Hidekazu Sueyoshi; Yuki Yamano; Yoshikazu Maeda; Kosaku Yamada

doi:10.2320/matertrans.D-M2009330

Hidekazu Sueyoshi, Yuki Yamano, Yoshikazu Maeda, Kosaku Yamada

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Keywords: lead-free bronze, copper sulfide dispersion, manufacturing system, life cycle assessment, inventory analysis

JOURNAL FREE ACCESS

2010 Volume 51 Issue 2 Pages 394-398

DOI https://doi.org/10.2320/matertrans.D-M2009330

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Abstract

Inventory analyses of manufacturing systems for Pb-bronze (JIS: CAC406), Pb-free bronze produced by Bi addition (JIS: CAC902) and copper sulfide-dispersed Pb-free bronze were assessed from the viewpoint of life cycle assessment. The results show that the manufacturing system of copper sulfide-dispersed Pb-free bronze significantly reduces such environmental impacts as energy consumption, global warming, acidification and resource consumption as compared with that of CAC902.

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