EFFECT OF SOLUTION HEAT TREATLNENTS ON MECHANICAL PROPETTIES OF COBALT-BASE SUPERALLOYS CO-CR-MO

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AGHAZADEH J.; HARATI FAR E.A.D.; AVAZ POUR GH.

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Journal: AMIRKABIR Year:2008 | Volume:18 | Issue:67-C Page(s): 97-102

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Title

EFFECT OF SOLUTION HEAT TREATLNENTS ON MECHANICAL PROPETTIES OF COBALT-BASE SUPERALLOYS CO-CR-MO

Author(s)

AGHAZADEH J. | HARATI FAR E.A.D. | AVAZ POUR GH. | Issue Writer Certificate

Keywords

SUPERALLOYQ3

COBALTQ3

VITALLIUMQ3

SOLUTIONQ3

HEAT TREATMENTQ3

Abstract

For the purpose of manufacturing of the COBALT-base SUPERALLOY of Co-Cr-Mo (ASTM F75-87) an appropriate mold has been made from silicon:-rubber, and subsequently melting and alloying procedure was carried out. For alloying in this study a vacuum induction melting (VIM) was used. After conducting tensile test on produced specimen, it was observed that mechanical properties of SUPERALLOY except ductility are in the standard range; therefore, SOLUTION treatments were carried out on the specimens.Specimens were preheated at 1130°C and afterward those were subjected to SOLUTION. HEAT TREATMENTs at 1230°C for several times. When HEAT TREATMENTs completed, specimens were discharged from furnace and were quenched in water. As a result of HEAT TREATMENT, elongation was enhanced considerably. It seems that the main strengthening mechanism stems from the solid-solution and carbide precipitates. HEAT TREATMENTs cause the dissolution of carbides specially grain boundary carbides, thus increasing ductility and reducing hardness.

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APA: Copy

AGHAZADEH, J., HARATI FAR, E.A.D., & AVAZ POUR, GH.. (2008). EFFECT OF SOLUTION HEAT TREATLNENTS ON MECHANICAL PROPETTIES OF COBALT-BASE SUPERALLOYS CO-CR-MO. AMIRKABIR, 18(67-C), 97-102. SID. https://sid.ir/paper/1050/en

Vancouver: Copy

AGHAZADEH J., HARATI FAR E.A.D., AVAZ POUR GH.. EFFECT OF SOLUTION HEAT TREATLNENTS ON MECHANICAL PROPETTIES OF COBALT-BASE SUPERALLOYS CO-CR-MO. AMIRKABIR[Internet]. 2008;18(67-C):97-102. Available from: https://sid.ir/paper/1050/en

IEEE: Copy

J. AGHAZADEH, E.A.D. HARATI FAR, and GH. AVAZ POUR, “EFFECT OF SOLUTION HEAT TREATLNENTS ON MECHANICAL PROPETTIES OF COBALT-BASE SUPERALLOYS CO-CR-MO,” AMIRKABIR, vol. 18, no. 67-C, pp. 97–102, 2008, [Online]. Available: https://sid.ir/paper/1050/en

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