JPS57101700A - Treating method for cylinder surface in cylinder block made of al alloy - Google Patents

Treating method for cylinder surface in cylinder block made of al alloy

Info

Publication number
JPS57101700A
JPS57101700A JP17949180A JP17949180A JPS57101700A JP S57101700 A JPS57101700 A JP S57101700A JP 17949180 A JP17949180 A JP 17949180A JP 17949180 A JP17949180 A JP 17949180A JP S57101700 A JPS57101700 A JP S57101700A
Authority
JP
Japan
Prior art keywords
cylinder block
alloy
block made
circumferential surface
inner circumferential
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
JP17949180A
Other languages
Japanese (ja)
Inventor
Toshifumi Nishimura
Kaoru Katayama
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co 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 Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Priority to JP17949180A priority Critical patent/JPS57101700A/en
Publication of JPS57101700A publication Critical patent/JPS57101700A/en
Pending legal-status Critical Current

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Landscapes

  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Abstract

PURPOSE: To carry out even etching in a short time, by carrying out electrochemically etching of the inner circumferential surface of a cylinder block made of a high Si-Al alloy.
CONSTITUTION: The inner circumferential surface of a monobloc-cast cylinder block made of a high Si-Al alloy is mirror-finished by honing or the like. Subsequently, an electrolyte is jetted into a uniform gap 1 e.g. between an uprightly standing tool electrode 2 and a cylinder block 4 supported in a hand-standing state, and at the same time, an electric current is sent between the both for several seconds. Thus, only eutectic Al on the inner circumferential surface of the block 4 and which is a good conductor is electrolytically corroded uniformly.
COPYRIGHT: (C)1982,JPO&Japio
JP17949180A 1980-12-18 1980-12-18 Treating method for cylinder surface in cylinder block made of al alloy Pending JPS57101700A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17949180A JPS57101700A (en) 1980-12-18 1980-12-18 Treating method for cylinder surface in cylinder block made of al alloy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17949180A JPS57101700A (en) 1980-12-18 1980-12-18 Treating method for cylinder surface in cylinder block made of al alloy

Publications (1)

Publication Number Publication Date
JPS57101700A true JPS57101700A (en) 1982-06-24

Family

ID=16066748

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17949180A Pending JPS57101700A (en) 1980-12-18 1980-12-18 Treating method for cylinder surface in cylinder block made of al alloy

Country Status (1)

Country Link
JP (1) JPS57101700A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19748926B4 (en) * 1996-10-30 2005-03-24 Suzuki Motor Corp., Hamamatsu A method of electroplating a silicon-containing aluminum alloy, cylinder block of a silicon-containing aluminum alloy
DE102004048181A1 (en) * 2004-10-02 2006-04-06 Volkswagen Ag Processing a workpiece made from an aluminum alloy containing silicon comprises treating a layer enriched with silicon to produce a wear-resistant silicon layer

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4991043A (en) * 1972-12-30 1974-08-30
JPS5116243A (en) * 1974-07-31 1976-02-09 Toyota Motor Co Ltd ARUMINIUMUGOKINSEISHUDOBUZAINO SUKATSUFUINGUBOSHIHOHO
JPS5339249A (en) * 1976-09-24 1978-04-11 Hitachi Ltd Device for fixing pipe plate to end of heat transfer pipe of heat exchnger

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4991043A (en) * 1972-12-30 1974-08-30
JPS5116243A (en) * 1974-07-31 1976-02-09 Toyota Motor Co Ltd ARUMINIUMUGOKINSEISHUDOBUZAINO SUKATSUFUINGUBOSHIHOHO
JPS5339249A (en) * 1976-09-24 1978-04-11 Hitachi Ltd Device for fixing pipe plate to end of heat transfer pipe of heat exchnger

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19748926B4 (en) * 1996-10-30 2005-03-24 Suzuki Motor Corp., Hamamatsu A method of electroplating a silicon-containing aluminum alloy, cylinder block of a silicon-containing aluminum alloy
DE102004048181A1 (en) * 2004-10-02 2006-04-06 Volkswagen Ag Processing a workpiece made from an aluminum alloy containing silicon comprises treating a layer enriched with silicon to produce a wear-resistant silicon layer

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