Abnormal wear sometimes occurs on the high speed train brake disc surface in winter time.
In this paper, Co-based alloy powders were deposited by laser cladding technology to …

In this work, a quasi-continuous ratio gradient alloy steel with a 24CrNiMo matrix for high-
speed railway brake discs is prepared by selective laser melting (SLM). The composition of …

In this work, 24CrNiMo alloy steel specimens were successfully prepared using laser direct
metal deposition (LMD). The relationships between their microstructure, residual stress, as …

In order to reveal the mechanism of microstructure evolution and crack propagation in laser-
deposited Stellite 6 alloys, a quenching thermal fatigue test was conducted. Various …

A new cobalt-based coating, CoNiTi, was developed for brake disc applications. The effect
of temperature on the tensile and thermal fatigue cracking properties of CoNiTi was …

To enhance the wear resistance of the HT250 surface and eliminate ledeburite formation at
the coating-substrate interface, a dual-layer Ti-6Al-4 V coating was created on HT250 …

Étudier les constituants de la matière et leurs interactions est la mission de la recherche
fondamentale en physique nucléaire et en physique des particules. Au cours des trente …

Disc brake is an important way of high-speed railway braking. As an important part of disc
brake, the brake disc has many failure forms, such as wear, hot spot, hot crack and so on …

盘式制动是高铁制动的重要方式. 其中, 制动盘作为盘式制动的重要部件, 在严苛的运行工况和
恶劣环境下存在着磨损, 热斑, 热裂纹等失效形式. 总结制动盘的三种失效形式及其原因 …

Railway brake disc materials with higher frictional performance and longer durability are
needed in order to reach higher train speeds and to reduce maintenance costs. Previous …