Yun-Jong Kim
,
Sang-Bae Kim
,
Hyun-Hye Park
,
Myeong-Deok Seo
,
Byoung-Cheon Lee
,
Man-So Han
,
Taik-Nam Kim
,
Sung-Baek Cho
材料科学技术（英文）
Generally the gold investment material consists of cristobalite, quartz and plaster. The physical property of gold investment materials depends on its thermal expansion coefficients, compressive strength, and particles size distribution. Since the thermal expansion coefficient of cristobalite and qu...
关键词:
Investment
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