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    • 2. 发明授权
    • Gas turbine rotor blade, gas turbine using the rotor blade, and power plant using the gas turbine
    • 燃气轮机转子叶片,使用转子叶片的燃气轮机,以及使用燃气轮机的发电厂
    • US07334993B2
    • 2008-02-26
    • US11433497
    • 2006-05-15
    • Masaru SekiharaYasushi HayasakaKunihiro Ichikawa
    • Masaru SekiharaYasushi HayasakaKunihiro Ichikawa
    • F01D5/18F01D5/26
    • F01D5/225F01D5/3007
    • A gas turbine rotor blade capable of effectively reducing creep damage by forming a cooling through hole to cool a target area in which significant creep damage of a shroud cover is predicted based on analysis of stress and temperature acting on the gas turbine rotor blade. A gas turbine using the rotor blade, and a power plant using the gas turbine are also provided. The gas turbine rotor blade includes a blade section provided with a shroud cover at an outer peripheral end thereof, and a platform, a shank and a dovetail which are formed in integral structure to successively continue from the blade section. An inner cooling hole is formed to penetrate through the gas turbine rotor blade from the dovetail to the shroud cover. The shroud cover has a cooling through hole formed to open in an outer surface of the shroud cover and extend in communication with the inner cooling hole.
    • 一种燃气轮机转子叶片,其能够通过形成冷却通孔来冷却目标区域,从而通过基于作用在燃气轮机转子叶片上的应力和温度的分析来预测护罩盖的显着的蠕变损伤,来有效地减少蠕变损伤。 还提供了使用转子叶片的燃气轮机和使用燃气轮机的动力装置。 燃气轮机转子叶片包括在其外周端处设置有护罩盖的叶片部分,以及形成为一体结构的平台,柄部和燕尾榫,从叶片部分连续延伸。 形成内部冷却孔,以从燕尾槽穿过燃气轮机转子叶片到罩盖。 护罩罩具有形成为在护罩罩的外表面上开口并与内部冷却孔连通延伸的冷却通孔。
    • 6. 发明申请
    • Gas Turbine Blade and Manufacturing Method Thereof
    • 燃气轮机叶片及其制造方法
    • US20100266418A1
    • 2010-10-21
    • US12107796
    • 2008-04-23
    • Shinya IMANOKunihiro IchikawaHiroyuki DoiKatsumi Tanaka
    • Shinya IMANOKunihiro IchikawaHiroyuki DoiKatsumi Tanaka
    • F01D5/14B23P15/02
    • C22C19/051C22C19/05F01D5/005F05D2230/235F05D2230/80
    • In a gas turbine blade where a part of the γ′ phase precipitation strengthened type Ni-based alloy base material is composed of a weld metal, the weld metal is a Ni-based alloy containing Ta from 4.8 to 5.3 wt. %, Cr from 18 to 23 wt. %, Co from 12 to 17 wt. %, W from 14 to 18 wt. %, C from 0.03 to 0.1 wt. %, Mo from 1 to 2 wt. %, and Al of 1 wt. % or less, in which the oxygen content is 0 to 30 ppm, the Ti content from 0 to 0.1 wt. %, and the Re content from 0 to 0.5 wt. %. A blade base metal is manufactured by the step of stripping, the step of solution heat treatment where the γ′ phase is dissolved again, the step of welding in an inert gas chamber by a TIG method using a welding wire where the weld metal can be obtained, the step of HIP treatment at 1100° C. to 1150° C., and the step of an aging treatment at 835° C. to 855° C.
    • 在γ相析出强化型Ni基合金基材的一部分由焊接金属构成的燃气轮机叶片中,焊接金属为含有4.8〜5.3重量%的Ta的Ni系合金。 %,Cr为18〜23wt。 %,Co为12〜17wt。 %,W为14〜18wt。 %,C为0.03〜0.1wt。 %,Mo为1〜2wt。 %,Al为1重量%。 %以下,氧含量为0〜30ppm,Ti含量为0〜0.1重量%。 %,Re含量为0〜0.5wt。 %。 通过剥离步骤,再次溶解γ'相的固溶热处理步骤,通过TIG法使用焊丝在焊接金属可以焊接的焊丝的惰性气体室中进行焊接的工序来制造刀片母材 在1100℃至1150℃下进行HIP处理的步骤,以及在835℃至855℃的时效处理步骤。
    • 8. 发明申请
    • Gas Turbine Blade and Manufacturing Method Thereof
    • 燃气轮机叶片及其制造方法
    • US20110296685A1
    • 2011-12-08
    • US13211417
    • 2011-08-17
    • Shinya ImanoKunihiro IchikawaHiroyuki DoiKatsumi Tanaka
    • Shinya ImanoKunihiro IchikawaHiroyuki DoiKatsumi Tanaka
    • B23P6/00B23P15/02
    • C22C19/051C22C19/05F01D5/005F05D2230/235F05D2230/80
    • In a gas turbine blade where a part of the γ′ phase precipitation strengthened type Ni-based alloy base material is composed of a weld metal, the weld metal is a Ni-based alloy containing Ta from 4.8 to 5.3 wt. %, Cr from 18 to 23 wt. %, Co from 12 to 17 wt. %, W from 14 to 18 wt. %, C from 0.03 to 0.1 wt. %, Mo from 1 to 2 wt. %, and Al of 1 wt. % or less, in which the oxygen content is 0 to 30 ppm, the Ti content from 0 to 0.1 wt. %, and the Re content from 0 to 0.5 wt. %. A blade base metal is manufactured by the step of stripping, the step of solution heat treatment where the γ′ phase is dissolved again, the step of welding in an inert gas chamber by a TIG method using a welding wire where the weld metal can be obtained, the step of HIP treatment at 1100° C. to 1150° C., and the step of an aging treatment at 835° C. to 855° C.
    • 在γ相析出强化型Ni基合金基材的一部分由焊接金属构成的燃气轮机叶片中,焊接金属为含有4.8〜5.3重量%的Ta的Ni系合金。 %,Cr为18〜23wt。 %,Co为12〜17wt。 %,W为14〜18wt。 %,C为0.03〜0.1wt。 %,Mo为1〜2wt。 %,Al为1重量%。 %以下,氧含量为0〜30ppm,Ti含量为0〜0.1重量%。 %,Re含量为0〜0.5wt。 %。 通过剥离步骤,再次溶解γ'相的固溶热处理步骤,通过TIG法使用焊丝在焊接金属可以焊接的焊丝的惰性气体室中进行焊接的工序来制造刀片母材 在1100℃至1150℃下进行HIP处理的步骤,以及在835℃至855℃的时效处理步骤。