leucite-tephrite
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Our survey suggested that :(1)the way in which zirconia is added has significant impact to the property of ceramic powders. The flexural strength of the ceramic powders produced by the mix of ZrO2 and leucite crystal is much lower than that of ceramic powders produced by solid phase reaction.
氧化锆-白榴石基烤瓷粉的研究表明:(1)氧化锆的添加方式对瓷粉的性能影响很大,氧化锆与合成的白榴石晶体混合所得的瓷粉的弯曲强度大大低于一次固相反应合成的氧化锆-白榴石烤瓷粉,其弯曲强度甚至还不如没有添加氧化锆的瓷粉。
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Leucite has high thermal expansion coefficient,so the existing of leucites in the Porcelain fused to metal can achieve the compatibility between porcelain and metal.
采用钾长石为主要原料可以合成含白榴石的熔块,白榴石高膨胀系数的特点,可以弥补烤瓷合金与瓷釉之间的膨胀系数差。
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The first type, kamafugite, is plagioclasefree, consisted of Tirich phlogopite, melilite, leucite and nephelite. They have lower contents of SiO2 and Al2O3, but have high TiO2, CaO, MgO contents and K/Na and Mg# ratio whereas the second type, potassic trachybasalt, is abundant in plagioclase and contains no phlogopite, melilite, leucite and nephelite. They have higher SiO2, Al2O3,(Na2O+K2O), and lower TiO2, CaO, MgO, and K/Na and Mg#, in comparision to the first type of rocks.
钾霞橄黄长岩是一种不含斜长石,但普遍含有高钛金云母、黄长石、白榴石、霞石的岩石,全岩化学成分具低SiO2和Al2O3,富TiO2、CaO、MgO和高K/Na、高Mg#值的特征;钾质粗面玄武岩含有大量斜长石但是缺乏高钛金云母、黄长石、白榴石和霞石,全岩化学中SiO2、Al2O3明显高于前者,而TiO2、CaO、MgO、K/Na和Mg#值要比钾霞橄黄长岩低。
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leucite-tephrite:白榴石碱玄岩
leucite-basanite 白榴石碧玄岩 | leucite-tephrite 白榴石碱玄岩 | leucitite 白榴岩
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leucite-tephrite:白榴碱玄岩
"白霞二长安山岩","leucite tautivite" | "白榴碱玄岩","leucite tephrite" | "白榴霞斜岩","leucite theralite"