公开(公告)号：US20140050609A1

公开(公告)日：2014-02-20

申请号：US13968590

申请日：2013-08-16

Applicant: ALSTOM Technology Ltd

Inventor： Mohamed Youssef NAZMY ,  Andreas Künzler ,  Hanspeter Zinn ,  Giuseppe Bandiera

IPC: G01K1/10

CPC classification number: G01K1/10 ,  C22C19/058

Abstract: The present invention relates to an oxidation resistant Nickel alloy, characterized in the following chemical composition (in % by weight): 4-7 Cr, 4-5 Si, 0.1-0.2 Y, 0.1-0.2 Mg, 0.1-0.2 Hf, remainder Ni and unavoidable impurities. A preferred embodiment has the following chemical composition (in % by weight): 6 Cr, 4.4 Si, 0.1 Y, 0.15 Mg, 0.1 Hf, remainder Ni and unavoidable impurities. This alloy has an improved oxidation resistance, good creep properties at high temperatures and.

Abstract translation: 本发明涉及一种抗氧化镍合金，其特征在于以下化学组成（重量％）：4-7Cr，4-5Si，0.1-0.2Y，0.1-0.2Mg，0.1-0.2Hf，余量 Ni和不可避免的杂质。 优选实施方案具有以下化学组成（以重量％计）：6Cr，4.4Si，0.1 Y，0.15 Mg，0.1 Hf，余量为Ni和不可避免的杂质。 该合金具有改善的抗氧化性，在高温下具有良好的蠕变性能。