Author

Teng Ma

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Open access Aug 2026

Thermo-Mechanical Coupled Analysis and Fastening Force Evolution of Exhaust Manifold Connecting Bolts

A research framework integrating material testing, constitutive fitting, thermo-mechanical coupled simulation, and local refined analysis was developed for 06Cr15Ni25Ti2MoAlVB superalloy bolts. High-temperature tensile and creep tests were performed to establish the Ramberg–Osgood elastic-plastic model and Norton–Baile...

Ya-Li Zhang, Zhiyong Gao, Yun-Feng Zang et al. · Applied Sciences · 0 citations

Conference Open access Sep 2026

Numerical Simulation and Experimental Investigation of Residual Stress in Multi-Pass Butt-Welded Joints of Q235 Thick Plates for Engine Structures

Localized heating and repeated thermal cycling during thick-plate multi-pass welding can produce a complex residual stress state, which may impair the structural reliability of welded components used in marine engines. This study investigates a 55 mm-thick Q235 steel butt joint with a K-groove deposited in 12 passes. B...

Ye Liu, Zeng-Quan Wang, Yao-Zong Li et al. · Journal of Physics, Conferen... · 0 citations