公开(公告)号：US20150192022A1

公开(公告)日：2015-07-09

申请号：US14577422

申请日：2014-12-19

Applicant: ROLLS-ROYCE PLC

Inventor： Roger REED ,  David CRUDDEN ,  Babak RAEISINIA ,  Mark Christopher HARDY

IPC: F01D5/28 ,  C22C30/00 ,  C22C19/05

CPC classification number: F01D5/28 ,  C22C19/056 ,  C22C30/00

Abstract: A nickel based alloy composition including, by atomic per cent, between 12 and 15% of elements from the group of aluminium, titanium, tantalum and niobium, between 0.8 and 1.8% tungsten, between 5 and 8% aluminium, at least 28% of elements from the group of molybdenum, tungsten, chromium and cobalt, wherein the atomic ratio of the sum of titanium, tantalum and niobium to aluminium is between 0.6 and 1.1, and wherein the composition includes less than 1.5% molybdenum, the balance being nickel save for incidental impurities.

Abstract translation: 一种镍基合金组合物，其原子％包括来自铝，钛，钽和铌的元素的12至15％之间的钨，0.8至1.8％的钨，5至8％的铝，至少28％的 钼，钨，铬和钴组成的元素，其中钛，钽和铌与铝的原子比在0.6和1.1之间，其中组成包括小于1.5％的钼，余量为镍 偶然杂质。