Fan Meng Long

Mr. Fan Meng Long

orcid

Research Focus & Metrics

Academic Career Length

5Years (2022-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

View All Publications
28 July 2022 in Materials
Verified
Journal Article
Open access
PDF file
FLFan Meng Long
Fan Meng Long
CCChuanyong Chen
Chuanyong Chen
XHXuan Haijun
Xuan Haijun
HQHailong Qin
Hailong Qin
MQMingmin Qu
Mingmin Qu
WHWeirong Hong
Weirong Hong
In this study, the effects of residual stress induced by three different cooling methods during heat treatment on the crack propagation behaviour of the GH4169 disc were investigated. Different levels of stress fields were induced to the specially designed discs by using air cooling (AC), air jetting cooling (AJC) and water quenching (WQ) methods and were quantitated by numerical simulation. These discs were then subjected to prefabricated cracking, and crack propagation tests were conducted on a spin tester with two load spectrums. Crack growth behaviour was depicted via the surface replica technique and fracture morphology. Regarding the linear superposition of residual stress and centrifugal force, the crack propagation behaviour of different discs was simulated using the FRANC3D software. AJC and WQ introduced compressive residual stress (−259 MPa and −109 MPa, respectively) into the disc compared with the AC method (about −1.5 MPa). The AJC method increases the crack propagation life of the disc by introducing residual compressive stress into the area near the surface of the central hole to inhibit the opening of the crack surface. When the fatigue load was low, this inhibition effect was more significant.

1 June 2024 in International Journal of Fatigue
Verified
Journal Article
Closed access
FLFan Meng Long
Fan Meng Long
MQMingmin Qu
Mingmin Qu
CCChuanyong Chen
Chuanyong Chen
HXHaijun Xuan
Haijun Xuan
HQHailong Qin
Hailong Qin
WHWeirong Hong
Weirong Hong