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US 2018/0073107 A1Published application
Tungsten alloy, tungsten alloy part, discharge lamp, transmitting tube, and magnetron
AssigneesKabushiki Kaisha Toshiba, Toshiba Materials Co., Ltd.
InventorsShinichi YAMAMOTO, Kayo Nakano, Hiromichi Horie, Takashi Sano, Yoshiko Minami, Satoshi Yamaguchi
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Abstract
According to one embodiment, a tungsten alloy includes a W component and a Hf component including HfC. A content of the Hf component in terms of HfC is 0.1 wt % or more and 3 wt % or less.
Claims9
A method for producing a tungsten alloy for a discharge lamp, a transmitting tube or a magnetron, the method comprising:
- mixing a HfC powder comprising primary particles having an average particle diameter of 15 μm or less and a tungsten powder having an average particle diameter of 0.5 to 10 μm to obtain a raw powder,
- molding the raw powder to obtain a molded body, and
- sintering the molded body to obtain a sintered body.
Dependencies are inferred from the claim text.