BACKING PLATE FOR DISK BRAKE PAD, AND DISK BRAKE PAD UTILIZING BACKING PLATE

Title:

BACKING PLATE FOR DISK BRAKE PAD, AND DISK BRAKE PAD UTILIZING BACKING PLATE

Document Type and Number:

WIPO Patent Application WO/2012/164911

Kind Code:

A1

Abstract:

[Problem] To provide a steel backing plate for a disk brake pad of an automobile and the like and a disk brake pad that utilizes the backing plate, such that the backing plate allows the bonding strength between a friction material and the backing plate to be improved, and the disk brake pad exhibits sufficient bonding strength when the friction material is bonded to the backing plate. [Solution] A backing plate that has a 5µm-20µm deep compound layer which is formed by means of a gas nitriding method or a gas soft nitriding method on the surface to which the friction material is to be bonded, a porous layer which is formed on the surface-layer side of the compound layer to a thickness equal to or greater than 40% of the depth of the compound layer, and an oxide layer which is formed on the surface layer to a thickness equal to or less than 1µm is used as the steel backing plate for the disk brake pad.

Inventors:

TAKAYAMA TAKESHI (JP)
TAMAI YOSHIHIRO (JP)

Application Number:

PCT/JP2012/003503

Publication Date:

December 06, 2012

Filing Date:

May 29, 2012

Export Citation:

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Assignee:

NISSHINBO BRAKE INC (JP)
TAKAYAMA TAKESHI (JP)
TAMAI YOSHIHIRO (JP)

International Classes:

C23C8/26; C23C8/32; F16D65/092; F16D69/04

Foreign References:

JPH07109362A	1995-04-25
JPS5124533A	1976-02-27
JPH05118362A	1993-05-14
JPH11286787A	1999-10-19
JPS5347218A	1978-04-27
JP2007064431A	2007-03-15
JPH0344457A	1991-02-26

Other References: