公开(公告)号：US07208116B2

公开(公告)日：2007-04-24

申请号：US09962125

申请日：2001-09-26

Applicant: Andrew J Manning ,  David Knowles ,  Colin J Small

Inventor： Andrew J Manning ,  David Knowles ,  Colin J Small

IPC: C22C19/05

CPC classification number: C22C19/056

Abstract: A nickel base superalloy comprising 14.0 to 20.0 wt % cobalt, 13.5 to 17.0 wt % chromium, 2.5 to 4.0 wt % aluminium, 3.4 to 5.0 wt % titanium, 0 to 3.0 wt % tantalum, 3.8 to 5.5 wt % molybdenum, 0.035 to 0.07 wt % carbon, 0.01 to 0.04 wt % boron, 0.055 to 0.075 wt % zirconium, 0 to 0.4 wt % hafnium and the balance nickel plus incidental impurities. The nickel base superalloy is suitable for use as gas turbine engine high pressure compressor rotor discs or turbine discs. It is capable of operation at temperatures above 700° C. and has good fatigue crack propagation resistance, creep resistance and tensile strength.

Abstract translation: 一种镍基超级合金，其包含14.0至20.0重量％的钴，13.5至17.0重量％的铬，2.5至4.0重量％的铝，3.4至5.0重量％的钛，0至3.0重量％的钽，3.8至5.5重量％的钼，0.035至0.07 重量％的碳，0.01至0.04重量％的硼，0.055至0.075重量％的锆，0至0.4重量％的铪，余量为镍和杂质。 镍基超级合金适用于燃气涡轮发动机高压压缩机转子盘或涡轮盘。 能够在700℃以上的温度下工作，具有良好的抗裂纹扩展性，抗蠕变性和拉伸强度。

公开(公告)号：US6132527A

公开(公告)日：2000-10-17

申请号：US206965

申请日：1998-12-08

Applicant: Steven J Hessell ,  Wayne Voice ,  Allister W James ,  Sarah A Blackham ,  Colin J Small ,  Michael R Winstone

Inventor： Steven J Hessell ,  Wayne Voice ,  Allister W James ,  Sarah A Blackham ,  Colin J Small ,  Michael R Winstone

IPC: C22C19/05

CPC classification number: C22C19/056

Abstract: A new nickel base superalloy suitable for compressor or turbine discs of gas turbine engines with fatigue crack propagation resistance equal to Waspaloy, tensile strength higher than Waspaloy and higher operating temperature than Waspaloy or UDIMET 720 family of alloys. The nickel base superalloy has a preferred composition by weight % of 14.0-19.0% cobalt, 14.35-15.15 Chromium, 4.25-5.25 Molybdenum, 1.35-2.15 tantalum, 3.45-4.15 titanium, 2.85-3.15 aluminium, 0.01-0.025 boron, 0.012-0.033 carbon, 0.05-0.07 zirconium, 0.5-1.0 hafnium, up to 1.0 rhenium, up to 2.0 tungsten, less than 0.5 niobium, up to 0.1 yttrium, up to 0.1 vanadium, up to 1.0 iron, up to 0.2 silicon, up to 0.15 manganese and balance nickel plus incidental impurities.

Abstract translation: 一种新的镍基超级合金，适用于燃气轮机发动机的压缩机或涡轮盘，其疲劳裂纹扩展阻力等于Waspaloy，抗拉强度高于Waspaloy，工作温度高于Waspaloy或UDIMET 720系列合金。 镍基超级合金具有优选的组成重量百分比为14.0-19.0％的钴，14.35-15.15铬，4.25-5.25钼，1.35-2.15钽，3.45-4.15钛，2.85-3.15铝，0.01-0.025硼，0.012- 0.033碳，0.05-0.07锆，0.5-1.0铪，至多1.0铼，至多2.0钨，小于0.5铌，至多0.1钇，至多0.1钒，至多1.0铁，至多0.2硅，直至 0.15锰和平衡镍加附加杂质。

公开(公告)号：US5897718A

公开(公告)日：1999-04-27

申请号：US834335

申请日：1997-04-16

Applicant: Steven J Hessell ,  Wayne Voice ,  Allister W James ,  Sarah A Blackham ,  Colin J Small ,  Michael R Winstone

Inventor： Steven J Hessell ,  Wayne Voice ,  Allister W James ,  Sarah A Blackham ,  Colin J Small ,  Michael R Winstone

IPC: C22C19/05

CPC classification number: C22C19/056

Abstract: A new nickel base superalloy suitable for compressor or turbine discs of gas turbine engines with fatigue crack propagation resistance equal to Waspaloy, tensile strength higher than Waspaloy and higher operating temperature than Waspaloy or UDIMET 720 family of alloys. The nickel base superalloy has a preferred composition by weight % of 14.0-19.0% cobalt, 14.35-15.15 Chromium, 4.25-5.25 Molybdenum, 1.35-2.15 tantalum, 3.45-4.15 titanium, 2.85-3.15 aluminium, 0.01-0.025 boron, 0.012-0.033 carbon, 0.05-0.07 zirconium, 0.5-1.0 hafnium, up to 1.0 rhenium, up to 2.0 tungsten, less than 0.5 niobium, up to 0.1 yttrium, up to 0.1 vanadium, up to 1.0 iron, up to 0.2 silicon, up to 0.15 manganese and balance nickel plus incidental impurities.