Somchai Kritpolwiwattana

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The objectives of this research were to study using of pig-dung biogas as fuel for a metal cutting process, to study the surface roughness of the cut metal, and to analyze metal composites influenced by heat. The specimens were AISI 1045 with the size of 50 mm × 50 mm × 6 mm. They were cut by a cutter KT 5NX and then the surface roughness was(More)
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