JPS5545518A - Forming method of abrasion-resistant layer - Google Patents

Forming method of abrasion-resistant layer

Info

Publication number
JPS5545518A
JPS5545518A JP11723478A JP11723478A JPS5545518A JP S5545518 A JPS5545518 A JP S5545518A JP 11723478 A JP11723478 A JP 11723478A JP 11723478 A JP11723478 A JP 11723478A JP S5545518 A JPS5545518 A JP S5545518A
Authority
JP
Japan
Prior art keywords
portions
abrasion
molten metal
abrasion resistance
undulations
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
JP11723478A
Other languages
Japanese (ja)
Inventor
Kunio Kuroda
Hideki Murakami
Shingo Nakasaki
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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 Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP11723478A priority Critical patent/JPS5545518A/en
Publication of JPS5545518A publication Critical patent/JPS5545518A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To selectively form abrasion-resistant layers on only the desired portions by delaying the freezing of the molten metal of the portions requiring abrasion- resistance of the products at the time of pressure casting light alloy in the product cavity of dies.
CONSTITUTION: Undulations are provided on the surface of the dies corresponding to the portions requiring abrasion resistance of the products and further the die temperature is made higher than other portions, thence light alloy such as Al or other is pressure cast. When the freezing of the molten metal of said portions is delayed intentionally, the unfrozen molten metal in which the silicon, copper, etc. of good abrasion resistance are concentrated in said portions in the final is extruded through pressure casting, whereby the abrasion resistance is formed. Here, mere provision of the foregoing undulations is good but the combined use of the same with temperature differences gives better effect.
COPYRIGHT: (C)1980,JPO&Japio
JP11723478A 1978-09-22 1978-09-22 Forming method of abrasion-resistant layer Pending JPS5545518A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11723478A JPS5545518A (en) 1978-09-22 1978-09-22 Forming method of abrasion-resistant layer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11723478A JPS5545518A (en) 1978-09-22 1978-09-22 Forming method of abrasion-resistant layer

Publications (1)

Publication Number Publication Date
JPS5545518A true JPS5545518A (en) 1980-03-31

Family

ID=14706695

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11723478A Pending JPS5545518A (en) 1978-09-22 1978-09-22 Forming method of abrasion-resistant layer

Country Status (1)

Country Link
JP (1) JPS5545518A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50151651U (en) * 1974-05-31 1975-12-17
JPS5139065A (en) * 1974-09-27 1976-04-01 Yokogawa Electric Works Ltd HONSHITSUANZENBOBAKUSHISUTEMU

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50151651U (en) * 1974-05-31 1975-12-17
JPS5139065A (en) * 1974-09-27 1976-04-01 Yokogawa Electric Works Ltd HONSHITSUANZENBOBAKUSHISUTEMU

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