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Effect of impact force on Ti–10Mo alloy powder compaction by high velocity compaction technique
Highlights Ti–10Mo alloy powder has been compressed by high velocity compaction technique. Density of compacts depends on impact force per unit area of powder filled in die. Maximum relative green density of the compacts was obtained 90.86% at 1615Nmm−2. Spring back of compacts decreases with the increment of impact force. Impact force per unit area affects the mechanical properties of the compacts.
Abstract Ti–10Mo alloy powder were compressed by high velocity compaction (HVC) in a cylinderical form of height/diameter (h/d) in die 0.56 (sample A) and 0.8 (sample B). Compactions were conducted to determine the effect of impact force per unit area of powder filled in die for densification and mechanical properties of Ti–10Mo samples. The micro structural characterization of samples were performed by scanning electron microscope (SEM). The mechanical properties of the compressed samples such as Vickers hardness, bending strength, and tensile strength were measured. Experimental results showed that the density and mechanical properties of sample A and sample B increased gradually with an increase in impact force and decreased with an increase in height/diameter ratio. The relative green density for sample A reached up to 90.86% at impact force per unit area 1615Nmm−2. For sample B, it reached 79.71% at impact force per unit area 1131Nmm−2. The sintered sample A exhibited a maximum relative density of 99.14%, Vickers hardness of 387HV, bending strength of 2090.72MPa, and tensile strength of 749.82MPa. Sample B revealed a maximum relative sintered density of 97.73%, Vickers hardness of 376HV, bending strength 1259.94MPa and tensile strength 450.25MPa. The spring back of the samples decreased with an increase in impact force.
Effect of impact force on Ti–10Mo alloy powder compaction by high velocity compaction technique
Highlights Ti–10Mo alloy powder has been compressed by high velocity compaction technique. Density of compacts depends on impact force per unit area of powder filled in die. Maximum relative green density of the compacts was obtained 90.86% at 1615Nmm−2. Spring back of compacts decreases with the increment of impact force. Impact force per unit area affects the mechanical properties of the compacts.
Abstract Ti–10Mo alloy powder were compressed by high velocity compaction (HVC) in a cylinderical form of height/diameter (h/d) in die 0.56 (sample A) and 0.8 (sample B). Compactions were conducted to determine the effect of impact force per unit area of powder filled in die for densification and mechanical properties of Ti–10Mo samples. The micro structural characterization of samples were performed by scanning electron microscope (SEM). The mechanical properties of the compressed samples such as Vickers hardness, bending strength, and tensile strength were measured. Experimental results showed that the density and mechanical properties of sample A and sample B increased gradually with an increase in impact force and decreased with an increase in height/diameter ratio. The relative green density for sample A reached up to 90.86% at impact force per unit area 1615Nmm−2. For sample B, it reached 79.71% at impact force per unit area 1131Nmm−2. The sintered sample A exhibited a maximum relative density of 99.14%, Vickers hardness of 387HV, bending strength of 2090.72MPa, and tensile strength of 749.82MPa. Sample B revealed a maximum relative sintered density of 97.73%, Vickers hardness of 376HV, bending strength 1259.94MPa and tensile strength 450.25MPa. The spring back of the samples decreased with an increase in impact force.
Effect of impact force on Ti–10Mo alloy powder compaction by high velocity compaction technique
Khan, Dil Faraz (Autor:in) / Yin, Haiqing (Autor:in) / Li, He (Autor:in) / Abideen, Zainul (Autor:in) / Asadullah (Autor:in) / Qu, Xuanhui (Autor:in) / Ellahi, Mujtaba (Autor:in)
15.07.2013
5 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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