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_zida84
040 _aUMP
090 _aTA492.W4 A89 2008 rs Bc.
100 0 _aMuhammad Asyraf Abd Talib
245 1 2 _aA study of surface crack behaviour using heat treatment on mild steel /
_cMuhammad Asyraf Abd Talib
246 3 _aA study of surface crack behaviour using heat treatment on mild steel
_h[electronic resource]
260 _aKuantan, Pahang :
_bUMP,
_c2008
300 _a42 p. :
_bill. (some col.) ;
_c30 cm. +
_e1 computer disc
502 _aProject paper (Bachelor of Mechanical Engineering) -- Universiti Malaysia Pahang - 2008
520 3 _aIn the real industry life, welding is widely used and commonly can be found in any type of industries and the most common welding process is Shield Metal Arc Welding (SMAW). SMAW is used in this study because of the application of this type of welding is widely used and the cost of this welding is cheap. Welding common defect is crack. In order to solve the problem about crack from growing, a study on prevention of the crack is done in this study respected to the heat treatment. Although most of the industries using quenching as the common heat treatment process, the heat treatment itself is still applicable in determining the crack growth. So, the purpose of this study is to search and learn the effectiveness of annealing followed by normalizing in reducing the crack and preventing the crack growth. All specimen is take into consideration as all the specimen have the same crack but different length. First step in the process is to weld the workpiece and then observation is done using microscope to search the crack and mark. Heat treatment is done after marking process and observation at the crack was done to collect the data. Polishing was done after welding and heat treatment to reveal the crack. There is no comparison between the types of heat treatment effectiveness. The percentage of crack that was reduced was 41.1% as average number. Then the data obtained will be analyzed and a study is commencing in heat treatment toward crack growth prevention. At last, the heat treatment can be proving as one of the process for preventing crack other than physical treatment.
650 0 _aMetals
_xHeat treatment
650 0 _aWelded joints
_xCracking
999 _aVIRTUA40
_c2679
_d2685
999 _aVTLSSORT0080*0200*0400*0900*1000*2450*2460*2600*3000*5020*5200*6500*6501*9992