Ultra-Low Friction on 100Cr6-Steel Surfaces After Direct Laser Interference Patterning

被引：39

作者：

Bieda, Matthias ^{[1
]}

Schmaedicke, Cindy

Roch, Teja ^{[2
]}

Lasagni, Andres ^{[1
,2
]}

机构：

[1] Fraunhofer Inst Mat & Beam Technol IWS, D-01277 Dresden, Germany

[2] Tech Univ Dresden, Chair Laser Struct Mfg Technol, D-01062 Dresden, Germany

来源：

ADVANCED ENGINEERING MATERIALS | 2015年 / 17卷 / 01期

关键词：

AUTOMOBILE ENGINE TRIBOLOGY; TRANSFER LAYER FORMATION; STEEL SURFACES; LUBRICATION; TEXTURE; METALLURGY; PARAMETERS; ROUGHNESS; BOUNDARY; DESIGN;

D O I：

10.1002/adem.201400007

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This study discusses the effects of surface topographies on the frictional behavior of 100Cr6 bearing steel. A solid state laser with nanosecond pulses is used to produce one- and two-dimensional periodic micropatterns using direct laser interference patterning. Line-, cross-, and dot-like patterns with pitches of 5m, and aspect ratios (AR) between 0.02 and 0.17 are fabricated. The friction tests of the surface textured samples are performed under lubricating conditions using a ball-on-disk configuration in rotating mode. The results show that through the surface structure a reduction of the friction coefficient from 25 to 65% can be achieved compared to unstructured surfaces. The smallest coefficients of friction are obtained for ARs between 0.07 and 0.11.

引用

页码：102 / 108

页数：7

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