Heat treatment has a goal to increase stamina ,relieve internal tensien, refine crystal grains,increasing violence,increasing violence ,increasing the voltage drop metals.This Study aims to improve the quality of stel SKD 1 tol steel tool belong SKD 1 tool Steel with carbon and high chomium ,alloys with other elements that vanadium and molybdenum .Most of SKD 1 Steel used in appliances that require high wear resistance.Most of SKD 1 Steel used for cold working proces ( cold working )example of blanking dies and machining proceses,Due to the proces of hardening of the steek SKD 11, the tension arises and fragile,so the fertilizer is to be done further proces,tempering.Steel SKD 11 received the heating .hardening at temperature 120 0C.Hardenes test result betwen 167 to 232,2 HV.
These links may help you
https://arxiv.org/pdf/physics/0601009.pdf
http://www.who.int/nmh/publications/ncd_report_full_en.pdf
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