Method for the manufacture of composite components coated with tribological layers

A manufacturing method and friction layer technology, applied in coatings, brake components, metal material coating processes, etc., can solve the problems of unavailability and high wear of brake pads, and achieve the effect of easy demoldability

Inactive Publication Date: 2017-09-12
FORD GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Voids can thus form, which again lead to unusable brake pads, which can lead to higher wear due to "material defects" until brake pads etc. are unusable

Method used

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  • Method for the manufacture of composite components coated with tribological layers
  • Method for the manufacture of composite components coated with tribological layers
  • Method for the manufacture of composite components coated with tribological layers

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0041] In all the figures the brake pad assembly is shown with 1 as a whole.

[0042] This consists of an aluminum cast blank 2 on which a friction layer 3 is applied to provide the actual braking surface 4 .

[0043] In order to be able to apply and fix the friction layer by thermal spraying on the light metal surface 5 of the cast blank 2, the surface 5 is equipped with protrusions 6, which are formed during casting and obtain the rear section 7 in a subsequent processing step .

[0044] The protrusions 6 are formed as needle-shaped protrusions and are distributed at regular intervals from one another on the surface 5 to be coated.

[0045] They are directed upwards or away from the aluminum surface 5 for better release of the blank 2 after casting, and here actually have the shape of a truncated cone or a hyperboloid of revolution with obtuse angles.

[0046]Said rear section 7 is inserted into the protrusion 6 in a step after casting and in a step between thermal sprayin...

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PUM

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Abstract

Method for producing a composite component coated with a friction layer, wherein the light metal surface of the cast blank is provided with the friction layer by thermal spraying and the light metal surface is provided with protrusions formed during casting, wherein the protrusions have a rear section, A wear-resistant layer is embedded in the rear section for the connection to the light metal surface, wherein the projections are formed as needle-like protrusions during casting and are distributed at regular intervals from one another on the surface to be coated, wherein the rear section Inserted into the protrusions in a step after casting and in a step before thermal spraying.

Description

technical field [0001] The invention relates to a method for producing a composite component coated with a friction layer, wherein the light metal surface of the cast blank is provided with a friction layer by thermal spraying and the light metal surface is provided with protrusions formed during casting, wherein the protrusions have The rear section, into which a wear-resistant layer is embedded for the connection to the light metal surface, and the invention also relates to a corresponding assembly. Background technique [0002] In order to save fuel in modern motor vehicles it is known to use aluminum parts for weight reduction. Aluminum parts are used in automobiles in particular instead of cast iron or steel parts. It is known in particular to use aluminum parts for brake drums and brake pads. A disadvantage of aluminum, however, is that it is relatively soft. The aluminum part is therefore equipped with a wear-resistant layer on its surface. Wear layers in brake pa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C4/02C23C4/12
CPCC23C4/02C23C4/12F16D65/12F16D2065/132F16D2065/1344F16D2065/1356F16D2200/003F16D2250/0046
Inventor 克莱门斯·玛丽亚·瓦普特斯蒂芬·海因茨
Owner FORD GLOBAL TECH LLC
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