INTERFACIAL REACTION IN K_2O·8TiO_(2(w))/ ZL109 COMPOSITE UNDER THERMAL EXPOSURE OR THERMAL CYCLING

Acta Metall Sin

1994, Vol. 30

Issue (21): 427-431 DOI:

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INTERFACIAL REACTION IN K_2O·8TiO_(2(w))/ ZL109 COMPOSITE UNDER THERMAL EXPOSURE OR THERMAL CYCLING

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SHEN Baoluo;LI Wei;ZHONG Yumao(Chengdu University of Science and Technology);NING Xiaoguang;LI Jihong;YE Hengqiang(Laboratory of Atomic Imaging of Solids;Institute of Metal Research; Chinese Academy of Sciences;Shenyang). INTERFACIAL REACTION IN K_2O·8TiO_(2(w))/ ZL109 COMPOSITE UNDER THERMAL EXPOSURE OR THERMAL CYCLING. Acta Metall Sin, 1994, 30(21): 427-431.

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Abstract A new phase, Ti_7Al_5Si_12.was found along interfaces between K_2O ·8TiO_2 whisker and ZL109 matrix of the composite under thermal exposure over 500 ℃for 100 h,and it might increase with prolonging the exposure time or thermal cycles.The tharmalexposure is more remarkable to accelerate the interfacial reaction than cycling.A transitionallayer between whiskers and matrix is observed under all conditions.

Key words: potassium titanate whisker Al alloy ZL109 composite interface reaction

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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y1994/V30/I21/427

1福永秀春,武市通文,太田进．日本复合材料学会志,1982;8:662西田义则,今井恒道,山田守,松原弘美,白柳格,轻金属,1988;38:5153菅沼克昭,藤田辉昭,新原皓一,铃本信幸.铁钢,1989;75:15344土取功,新田明,原信彦,原田秀文．铁钢．1989;75:15265土取功,福永秀春．日本金属学会志,1992;56:3336菅沼克昭．轻金属,1992;42:52

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