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CASTING MOLD MATERIAL AND Cu-Cr-Zr-Al ALLOY MATERIAL

a technology of cucr-zr-al alloy and mold material, which is applied in the direction of manufacturing tools, foundry patterns, molds, etc., can solve the problems of insufficient cooling and decrease of thermal conductivity, and achieve the effect of improving strength (hardness) and electrical conductivity

Inactive Publication Date: 2018-10-18
MITSUBISHI MATERIALS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

The present invention provides a casting mold material that can improve its strength and electrical conductivity through an aging treatment, even if it is cooled slowly after a thermal spraying treatment. Additionally, a suitable material for this casting mold material is provided.

Problems solved by technology

However, there is a concern that an excess decrease in the electrical conductivity σ may decrease the thermal conductivity and cause insufficient cooling.

Method used

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  • CASTING MOLD MATERIAL AND Cu-Cr-Zr-Al ALLOY MATERIAL
  • CASTING MOLD MATERIAL AND Cu-Cr-Zr-Al ALLOY MATERIAL
  • CASTING MOLD MATERIAL AND Cu-Cr-Zr-Al ALLOY MATERIAL

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examples

[0096]Hereinafter, the results of confirmation tests carried out in order to confirm the effects of the present invention will be described.

[0097]A copper raw material made of oxygen-free copper having a copper purity of 99.99 mass % or higher was prepared, was loaded into a carbon crucible, and was melted using a vacuum melting furnace (with a degree of vacuum of 10−2 Pa or lower), thereby obtaining molten copper. A variety of additive elements were added to the obtained molten copper so as to formulate a component composition shown in Table 1, the component composition was maintained for five minutes, and then the molten copper alloy was injected into a cast iron die, thereby obtaining an ingot. The sizes of the ingot were set to a width of approximately 80 mm, a thickness of approximately 50 mm, and a length of approximately 130 mm.

[0098]Meanwhile, as a raw material of Cr which was an additive element, Cr having a purity of 99.99 mass % or higher was used, as a raw material of Zr...

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Abstract

A casting mold material used in casting a metal material has a composition including 0.3 mass % or more and less than 0.5 mass % of Cr, 0.01 mass % or more and 0.15 mass % or less of Zr, 0.1 mass % or more and less than 2.0 mass % of Al; and a Cu balance including inevitable impurities and has precipitates in a needle shape or precipitates in a plate shape.

Description

CROSS-REFERENCE TO RELATED PATENT APPLICATIONS[0001]This application is a U.S. National Phase Application under 35 U.S.C. § 371 of International Patent Application No. PCT JP2016 / 079641 filed on Oct. 5, 2016 and claims the benefit of Japanese Patent Application No. 2015-203581 filed on Oct. 15, 2015, all of which are incorporated herein by reference in their entireties. The International Application was published in Japanese on Apr. 20, 2017 as International Publication No. WO 2017 / 065071 A1.FIELD OF INVENTION[0002]The present invention relates to a casting mold material used in casting metal such as steel materials and a Cu—Cr—Zr—Al alloy material suitable for the casting mold material.BACKGROUND OF THE INVENTION[0003]In the related art, for casting mold materials used in casting steel materials and the like, there is a demand for excellent characteristics such as high-temperature strength enabling the casting mold materials to withstand strong thermal stress, high-temperature elon...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): B22D11/059C22C9/01B22C9/06C22F1/08
CPCB22D11/059C22C9/01B22C9/061C22F1/08B22C9/06C22C9/00
Inventor YANO, SHOICHIROSATOU, SHINOBUSAKAMOTO, TOSHIO
Owner MITSUBISHI MATERIALS CORP
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