Title:
耐熱強度に優れたターボチャージャー用アルミニウム合金鋳物製コンプレッサーインペラー
Document Type and Number:
Japanese Patent JP4290024
Kind Code:
B2
Abstract:
A compressor wheel made of a cast aluminum alloy, wherein the cast aluminum alloy contains Cu 1.4 to 3.2 mass%, Mg 1.0 to 2.0 mass%, Ni 0.5 to 2.0 mass%, Fe 0.5 to 2.0 mass%, and at least one selected from the group consisting of Ti 0.01 to 0.35 mass%, Zr 0.01 to 0.30 mass%, Sc 0.01 to 0.8 mass%, and V 0.01 to 0.5 mass%, with the balance being aluminum and inevitable impurities, with the [(Cu content) + 0.5 × (Mg content)] being 3.8 mass% or less, and with a secondary dendrite arm spacing being 50 µm or less, wherein the cast aluminum alloy is being reinforced by a solution treatment and an aging treatment, and wherein the compressor wheel shows good heat resistant strength, and is for use in a turbocharger.
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Inventors:
Tokaibayashi Ryo
Takayuki Satsuki
Toshiya Okada
Youji Hirano
Takayuki Satsuki
Toshiya Okada
Youji Hirano
Application Number:
JP2004017590A
Publication Date:
July 01, 2009
Filing Date:
January 26, 2004
Export Citation:
Assignee:
Furukawa Sky Co., Ltd.
International Classes:
C22C21/16; C22C21/12; C22F1/057; C22F1/00; F02B39/00; F04D29/02; F04D29/28; B22C9/22
Domestic Patent References:
| JP116996C2 | ||||
| JP3039453A | ||||
| JP7242976A | ||||
| JP1152237A | ||||
| JP59010445A | ||||
| JP63140060A |
Attorney, Agent or Firm:
Toshizo Iida