PENGARUH PERLAKUAN PANAS BAJA AISI 1029 DENGAN MEDIA PENDINGIN AIR DAN OLI TERHADAP KEKUATAN DAN KEKERASAN

Abstract: The process of heat treatment is a combination of the operation of heating and cooling with certain speed and was conducted on metal or alloyed in the solid state as an attempt to acquire the nature of certain properties. The temperature of the warming is done for 7850C and 8200C. As for the purpose of this research is to find out how the mechanical properties of steel heat treatment at different temperatures and then to find out the value of the  strength  and  hardness  of  steel  with  optimal  cooling  water  and  oil  media.  research  methods  used  are experimental  methods,  experimental  group  consisted  of  samples  which  have  been  subjected  to  heat  treatment which  is  pull-test  sample  amounted  to  13  sample  afterward  for  comparison  is  3  samples.  How  does  the difference in strength and violence that occurred after the heat treatment was given with water cooling and oil media against material that had not been given the treatment. From the test results and calculations made on the influence of heat treatment of Steel AISI 1029 with water cooling and oil mediums of the strength and hardness, the highest strength values found in the samples that were given a heat treatment at a temperature of 8200C with the  value  of  the  strength  value  then  Mpa  972  highest  violence  also  occurs  in  the  sample  who  were  given preferential treatment at a temperature of 8200C with 299 VHN. 
Keywords: AISI 1029 steel, tensile and hardness test, heat treatment
Penulis: Nofriady Handra  dan Rio Fernando
Kode Jurnal: jptmesindd140216

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