机译:Effect of lubrication on hardness in the ring compression test
VR Siddhartha Engn Coll, Dept Mech Engn, Kanuru 520007, Vijayawada, India;
Natl Inst Technol, Dept Mech Engn, Warangal, Andhra Pradesh, India;
Natl Inst Technol Manipur, Dept Mech Engn, Imphal, Manipur, India;
Ring compression test; strain distribution; hardness distribution; neutral plane; bulging;