Preparation of materials is the basis ofresearch in materials science.In fundamen-tal research,to obtain a material with highpurity for study becomes a key to t
1.IntroductionMedium Mn steel was developed be-cause the wear resistance of Hadfield steel(Mn13)is poor under low or medium im-pact and extrusion abrasion[1-4].
The effect of heat treatment on the corrosionperformance of austenitic-ferritic duplex stain-less steel COR 25 in aqueous solution containing60%H<sub>3</sub>PO<