公开(公告)号：WO2007134148A3

公开(公告)日：2008-12-04

申请号：PCT/US2007068633

申请日：2007-05-10

Applicant: FEDERAL MOGUL CORP ,  LINETON WARRAN ,  AZEVEDO MIGUEL

Inventor： LINETON WARRAN ,  AZEVEDO MIGUEL

IPC: B32B15/18

CPC classification number: C23C4/18 ,  B23K26/32 ,  B23K26/34 ,  B23K35/38 ,  B23K2201/003 ,  B23K2203/50 ,  C23C4/01 ,  C23C24/04 ,  F02B23/0603 ,  F02B23/0696 ,  F02B75/08 ,  F02F3/12 ,  F02F3/14 ,  F02F3/26 ,  F16J1/01 ,  Y02T10/125 ,  Y10T29/49249

Abstract: A piston (120) and method for making a piston (120) for a fuel-injected diesel engine adapted to withstand the damaging effects of fuel injection plume-induced oxidation in the regions of the piston bowl (134) and rim (130). The surfaces of the piston crown (126) targeted by the fuel injection plume (138) are first coated with a corrosion-resistant and oxidation-resistant composition applied as a slurry or by a thermal spraying technique, such as HVOF or plasma spraying. Thereafter, a high energy industrial laser beam irradiates the as-sprayed coating to increase its density, while simultaneously reforming its microstructure so as to fuse, alloy, and materially bond the coating material with the underlying steel substrate, thereby resulting in a durable protective surface for the steel piston crown (126).

Abstract translation: 一种用于制造用于燃料喷射的柴油发动机的活塞（120）的活塞（120），其适于承受在活塞碗（134）和轮辋（130）的区域中燃料喷射羽流引起的氧化的破坏性影响。 燃料喷射羽流（138）所针对的活塞冠（126）的表面首先被涂覆有作为浆料或通过诸如HVOF或等离子喷涂的热喷涂技术施加的耐腐蚀和抗氧化组合物。 此后，高能量工业激光束照射喷涂层以增加其密度，同时重整其微观结构，从而使涂层材料与下面的钢基底熔合，合金和物理粘合，从而形成耐久的保护表面 用于钢活塞冠（126）。

公开(公告)号：EP2021176A4

公开(公告)日：2012-06-13

申请号：EP07783557

申请日：2007-05-10

Applicant: FEDERAL MOGUL CORP

Inventor： LINETON WARRAN ,  AZEVEDO MIGUEL

IPC: B32B15/18 ,  B23K26/34 ,  C23C4/18 ,  F02B23/06 ,  F02F3/12 ,  F02F3/14 ,  F16J1/01

CPC classification number: C23C4/18 ,  B23K26/32 ,  B23K26/34 ,  B23K35/38 ,  B23K2201/003 ,  B23K2203/50 ,  C23C4/01 ,  C23C24/04 ,  F02B23/0603 ,  F02B23/0696 ,  F02B75/08 ,  F02F3/12 ,  F02F3/14 ,  F02F3/26 ,  F16J1/01 ,  Y02T10/125 ,  Y10T29/49249

公开(公告)号：BRPI0713095A2

公开(公告)日：2012-10-16

申请号：BRPI0713095

申请日：2007-05-10

Applicant: FEDERAL MOGUL CORP

Inventor： LINETON WARRAN ,  AZEVEDO MIGUEL

IPC: B32B15/18

Abstract: A piston (120) and method for making a piston (120) for a fuel-injected diesel engine adapted to withstand the damaging effects of fuel injection plume-induced oxidation in the regions of the piston bowl (134) and rim (130). The surfaces of the piston crown (126) targeted by the fuel injection plume (138) are first coated with a corrosion-resistant and oxidation-resistant composition applied as a slurry or by a thermal spraying technique, such as HVOF or plasma spraying. Thereafter, a high energy industrial laser beam irradiates the as-sprayed coating to increase its density, while simultaneously reforming its microstructure so as to fuse, alloy, and materially bond the coating material with the underlying steel substrate, thereby resulting in a durable protective surface for the steel piston crown (126).