JPS5666369A - Surface treatment of cast product - Google Patents

Surface treatment of cast product

Info

Publication number
JPS5666369A
JPS5666369A JP14043379A JP14043379A JPS5666369A JP S5666369 A JPS5666369 A JP S5666369A JP 14043379 A JP14043379 A JP 14043379A JP 14043379 A JP14043379 A JP 14043379A JP S5666369 A JPS5666369 A JP S5666369A
Authority
JP
Japan
Prior art keywords
coating
mold
core
molten metal
casting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP14043379A
Other languages
Japanese (ja)
Inventor
Toshihiko Odohira
Sadato Shigemura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP14043379A priority Critical patent/JPS5666369A/en
Publication of JPS5666369A publication Critical patent/JPS5666369A/en
Pending legal-status Critical Current

Links

Landscapes

  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

PURPOSE: To form diffusion-bonded layer without any dimensional change etc. in the cast products by applying coating treatment in the process of casting of the cast products.
CONSTITUTION: A material coating casting surface is coated 2 on the surface of a core 1 formed to a desired shape, by applying an existing surface treating method such as spraying method, to perform coating molding 4 of the outside circumference of the core by a mold material using molding sand etc. Thence, the mold 4 is heated to above the m.p. of the material forming the core (below the m.p. of the coating material 2) and the core material in a fluid state is removed 5. In such a process, the coating material 2 remains as it is on the inside surface of the mold. A desired molten metal material 6 is poured into the mold 4 of such a state. In the process of freezing of the molten metal, the coating material 2 and the molten metal 6 react to form the cast product 7 formed with the coating layer 2 having high adhesive strength on the casting surface. The coating layer 2 sufficiently disperses and infilters into the casting structual material on account of the thermal energy of the molten metal, thereby forming a diffused layer.
COPYRIGHT: (C)1981,JPO&Japio
JP14043379A 1979-11-01 1979-11-01 Surface treatment of cast product Pending JPS5666369A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14043379A JPS5666369A (en) 1979-11-01 1979-11-01 Surface treatment of cast product

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14043379A JPS5666369A (en) 1979-11-01 1979-11-01 Surface treatment of cast product

Publications (1)

Publication Number Publication Date
JPS5666369A true JPS5666369A (en) 1981-06-04

Family

ID=15268551

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14043379A Pending JPS5666369A (en) 1979-11-01 1979-11-01 Surface treatment of cast product

Country Status (1)

Country Link
JP (1) JPS5666369A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102527940A (en) * 2011-12-22 2012-07-04 重庆水轮机厂有限责任公司 Casting process for upper pendulums and lower pendulums of light-rail steel cast supports

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4834026A (en) * 1971-09-03 1973-05-15

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4834026A (en) * 1971-09-03 1973-05-15

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102527940A (en) * 2011-12-22 2012-07-04 重庆水轮机厂有限责任公司 Casting process for upper pendulums and lower pendulums of light-rail steel cast supports

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