The initiation and propagation of short cracks are critical to the detailed understanding of the
failure mechanisms of engineering materials and structures. Therefore, for a safety critical …

Various surface defects of high-speed railway lightweight hollow axles made of alloy steel
were identified carefully for assessing its operation safety and reliability. Three types of …

Additive Manufacturing (AM) which combines with computer aided design, materials
processing and forming technologies can manufacture near net shape components. In …

The shattered rim on railway wheels is increasingly concerned in recent years. Based on the
failure analysis, the mechanism of shattered rim was revealed. The contact stress …

Railway axles with inside axle boxes have a great potential in modern urban railway system
due to good dynamic performance on small-radius track. However, because of entirely …

Metallic components fail mostly due to fatigue cracks, and thus a suitable non-destructive
detection is necessarily planned to ensure the operation safety. Among the requisite …

This paper aims at investigating the strain ratio effect on cyclic deformation behaviour of
7050-T6 aluminium alloy. Low-cycle fatigue tests are conducted under strain-controlled …

Surface hardening treatment can significantly increase the hardness of axle surface and
introduce negative residual stress field into the axle. This work proposed an integrated …

Fatigue is one of the main causes of failures as well as mechanical fractures in structural
details made of aluminium alloys under cyclic loading, where the materials (during the crack …

High strength steel welded joints are usually fabricated by heterogeneous weld metal for
reducing the negative impacts of microstructural characteristics and defects on mechanical …