专利名称：Gas turbine nozzle having superior thermal
fatigue resistance
发明人：Hiromi Kagohara,Nobuyuki Iizuka,Yutaka
Fukui,Masahiko Sakamoto
申请号：US06/415999申请日：19820908公开号：US04465530A公开日：19840814
摘要：Disclosed in a gas turbine nozzle having a superior thermal fatigue resistance.The gas turbine nozzle is made of a cast alloy consisting essentially of 0.1 to 1 wt %carbon, 0.1 to 2 wt % silicon, 0. 1 to 2 wt % manganese, 20 to 35 wt % chromium, 0.001 to0.1 wt % boron, 5 to 15 wt % of at least one of tungsten and molybdenum, 16 to 35 wt %cobalt and the balance nickel. The alloy has a heat-treated structure in which eutecticcarbides and secondary carbides are dispersed in the matrix.
申请人：HITACHI, LTD.
代理机构：Antonelli, Terry & Wands
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