Material characterisation of lightweight disc brake rotors

被引：16

作者：

Alnaqi, Abdulwahab A. ^{[1
]}

Kosarieh, Shahriar ^{[2
]}

Barton, David C. ^{[2
]}

Brooks, Peter C. ^{[2
]}

Shrestha, Suman ^{[3
]}

机构：

[1] PAAET, Coll Technol Studies, Dept Automot & Marine Engn Technol, Adailiyah, Kuwait

[2] Univ Leeds, Inst Design Robot & Optimisat, Sch Mech Engn, Leeds, W Yorkshire, England

[3] Keronite Int Ltd, Haverhill, England

来源：

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART L-JOURNAL OF MATERIALS-DESIGN AND APPLICATIONS | 2018年 / 232卷 / 07期

关键词：

Coating; aluminium oxide; plasma electrolytic oxidation; disc brake rotor; material characterisation; PLASMA ELECTROLYTIC OXIDATION; OXIDE COATINGS; ALUMINUM-ALLOY; TRIBOLOGICAL PROPERTIES; SILICATE;

D O I：

10.1177/1464420716638683

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Alumina coated lightweight brake rotors were investigated to evaluate the effect of coating properties on their friction performance and thermal durability. An alumina ceramic coating on AA6082 aluminium alloy (Al-Alloy) and on 6061/40SiC aluminium metal matrix composite (Al-MMC) prepared by plasma electrolytic oxidation was studied using a programme of brake dynamometer and material characterisation tests. The results showed that the plasma electrolytic oxidation alumina layer adhered well to the Al-alloy substrate and was more uniform and durable when compared to that on the aluminium metal matrix composite. The plasma electrolytic oxidation layer significantly improved the hardness of the rotor surface for both Al-alloy and aluminium metal matrix composite substrate. The coated Al-alloy disc brake rotor was demonstrated to give good thermal and friction performance up to high rubbing surface temperatures of the order of 550?, but the rotor eventually failed due to temperature build-up at a critical location.

引用

页码：555 / 565

页数：11

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