Page 119 - 摩擦学学报2025年第5期

第 5 期 吴柄男, 等: 不同施用条件下轨顶摩擦调节剂的减摩性能研究 753

Friction The rail roller The rail roller The wheel roller The wheel roller
modifier before cleaning after cleaning before cleaning after cleaning

Re-entering
Summer FM FM
FM in the contact Cracks
zone FM
in the contact
Squeezed-out zone
FM Pitting
1 mm 1 mm 1 mm 1 mm

Squeezed-out
FM
FM
Winter FM FM in the contact Pitting
in the contact
zone Pitting zone

1 mm 1 mm 1 mm 1 mm

Oxidative Pitting
FM wear FM
in the contact in the contact
zone zone
Mixed FM
Squeezed-out Re-entering
FM
FM Oxidative wear
1 mm 1 mm 1 mm 1 mm

Re-entering Re-entering
Oil-based TOR TOR
TOR Pitting

Squeezed-out
TOR Pitting
1 mm 1 mm 1 mm 1 mm

Squeezed-out
TOR Oxidative
Grease-based Cracks Accumulated wear
TOR Oxidative wear TOR
Re-entering
TOR

1 mm 1 mm 1 mm 1 mm

Fig. 8 The distribution of materials on the wheel and rail roller surface and the optical micrographs of surface
morphology of the wheel and rail rollers after applying top-of-rail friction modifiers
图 8 施加轨顶摩擦调节剂后材料在轮轨试样表面的分布情况以及轮轨试样表面形貌的光学显微照片