Boron carbide connection union and its production manner and two

摘要

PROBLEM TO BE SOLVED: To provide a boron carbide joined body having high strength durable for practical use, a method for producing the same, a plasma-resistant member and a plasma device.;SOLUTION: The boron carbide joined body is obtained by unifying two members constituted of born carbide-based sintered compacts through a joining part, and the joining part is composed of 80 to 99 wt.% boron carbide and 1 to 20 wt.% of at least one selected from the compounds of elements of groups 4a and 5a.;COPYRIGHT: (C)2001,JPO