Cov hauv qab no yog qee qhov khoom uas peb tuaj yeem tshawb xyuas. Yog tias koj muaj ntau cov khoom uas koj xav kuaj kev kuaj xyuas, cia li tiv tauj peb thov.
Identification Qib Tus Kheej;
♦ Qhov loj me, ncaj, ncig lub ntsej muag tshuaj ntsuam;
Composition Kev tshuaj lom neeg lub cev tshuaj xyuas;
♦ Kev Ntsuas Hluav Taws Xob Tshaj Tawm: lub zog tensile, lub zog tso tawm, elongation, txo qhov chaw, cuam tshuam, hardness (Brinell hardness, Rockwell hardness, Vickers hardness) thiab lwm yam.;
♦ Kev soj ntsuam tsis zoo: kev kuaj ultrasonic-UT, kev kuaj pom qhov sib nqus particle-MT, kuaj qhov muag pom-VT thiab lwm yam;
Tshuaj ntsuam metallographic;
♦ Cov qauv tsim me, Macro qauv.