Title:
MOLD MATERIAL FOR CASTING AND COPPER ALLOY MATERIAL
Document Type and Number:
WIPO Patent Application WO/2019/102716
Kind Code:
A1
Abstract:
This mold material for casting is used in cases where a metal material is cast, and has a composition that contains Cr in an amount within the range of from 0.3 mass% to 0.7 mass% (inclusive), Zr in an amount within the range of from 0.025 mass% to 0.15 mass% (inclusive), Sn in an amount within the range of from 0.005 mass% to 0.04 mass% (inclusive) and P in an amount within the range of from 0.005 mass% to 0.03 mass% (inclusive), with the balance made up of Cu and unavoidable impurities. The Zr content [Zr] (mass%) and the P content [P] (mass%) satisfy the relational expression [Zr]/[P] ≥ 5; and the Sn content [Sn] (mass%) and the P content [P] (mass%) satisfy the relational expression [Sn]/[P] ≤ 5.
Inventors:
YANO SHOICHIRO (JP)
SATOU SHINOBU (JP)
DAIRAKU KANTA (JP)
SATOU SHINOBU (JP)
DAIRAKU KANTA (JP)
Application Number:
PCT/JP2018/036324
Publication Date:
May 31, 2019
Filing Date:
September 28, 2018
Export Citation:
Assignee:
MITSUBISHI MATERIALS CORP (JP)
International Classes:
C22C9/00; B22D11/059; C22F1/00; C22F1/02; C22F1/08
Domestic Patent References:
| WO2007043101A1 | 2007-04-19 |
Foreign References:
| JPH0593230A | 1993-04-16 | |||
| JPS6141751A | 1986-02-28 | |||
| JP2017088948A | 2017-05-25 | |||
| JP2017057476A | 2017-03-23 | |||
| JP2017223760A | 2017-12-21 | |||
| JP5590990B2 | 2014-09-17 | |||
| JPS58107460A | 1983-06-27 |
Other References:
See also references of EP 3715488A4
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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