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公开(公告)号:KR1019920005096B1
公开(公告)日:1992-06-26
申请号:KR1019890014954
申请日:1989-10-17
Applicant: 한국과학기술연구원
IPC: C04B35/00
Abstract: The cordialite ceramic material of low thermal expansion rate has the composition of (2-x)MgO xAO 2Al2O3 (5-y)SiO2 yGeO2. (where A is Sr or Ca, x is 0.2
Abstract translation: 低热膨胀率的堇青石陶瓷材料具有(2-x)MgO xAO 2Al2O3(5-y)SiO2 yGeO2的组成。 (其中A是Sr或Ca,x是0.2 <= x <= 0.5,y是0.2 <= y <= 0.5)。 混合原料是西兰高岭土,满洲滑石和一些添加剂。 陶瓷体在1400-1450℃烧结,用于汽车的催化剂回路或热交换器或熔融金属过滤器的辐射板。
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公开(公告)号:KR1019900001409B1
公开(公告)日:1990-03-09
申请号:KR1019870012578
申请日:1987-11-07
Applicant: 한국과학기술연구원
IPC: H01L41/18
Abstract: The piezo-electric material is prepared by mixing 0-0.05 wt.% Pb (Cd1/2 W1/2) O3 and 0.4-0.6 wt.% PbTiO3 with 0.4 - 0.6 wt.% PbZrO3, calcining the mixture at 750-950 deg.c, pulverizing and moulding under 1000 kg/cm2, and sintering at 1000 -1100 deg.C.
Abstract translation: 通过将0-0.05重量%的Pb(Cd1 / 2W1 / 2)O3和0.4-0.6重量%的PbTiO3与0.4-0.6重量%的PbZrO3混合来制备压电材料,在750-950度煅烧该混合物 在1000kg / cm2下粉碎成型,在1000-111℃烧结。
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