Heat treatment of high speed steels PDF
102 Pages·2009·2.51 MB·English
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Preview Heat treatment of high speed steels
HEAT TREATMENT OF HIGH SPEED STEEL BY MILLER P. F. BORNSTEIN H, ARMOUR INSTITUTE OF TECHNOLOGY Illinois Institute ofTeclinology Ubrarics AT 231 Miller, Philip F. Heat treatment of high speed steels A TESSIS presented tjy PHILIP. F. i:iLLER and HYK3K BOPIJSTEIH to the PRESIDSNT AUD FACULTY OF TEE ARIJOUR lESTIIUTE OF TSGha.w..w.r for the degree of BACHELOR OF SGIEliCE HAVIIIG COLiPLETED ^.^ xilEoCRIEx.^ s^^uRSE. IE CKELIICAL Ei. Ii;EERIEG . LCay 25» 1911. Approved hy f CheLoical Engineering. 3ngln^erj^& Studies. ILLINOISINSTITUTEOFTECHNOLOGY PAUL V. CALVIN LIBRARY 35 WEST33RD STREET CHICAGO. IL 60616 HEAT TREATLiSKT of HIGH SPS3D STEELS. By Philip F. Lliller and Kymen Bornstein.
Description:steels were already annealed, so that this step was unnecessary. The annealing was done in a muffle furnace. The steel was kept for one hour at a temperature of 720°C. and was allo^ved to cool in the furnace. The drilling was done with a high speed twist drill. It was difficult to drill the steels
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