فهرست مقالات Welded Bellows دسترسی آزاد مقاله صفحه چکیده متن کامل 1 - Numerical Investigation of the Effect of Weld Length and Sheet Thickness on Stress and Mechanical Characterization of the Diaphragm Bellows Farshad Nazari Anna Bahrami 10.71644/admt.2025.1127258