ค้นเจอ 123 รายการ

Brittleness

แปลว่า(english) The tendency of a metal or material to fracture without undergoing appreciable plastic deformation.

Blue Annealing

แปลว่า(english) Heating hot rolled ferrous sheet in an open furnace to a temperature within the transformation range and then cooling in air, in order to soften the metal. The formation of a bluish oxide on the surface is incidental.

Backward Extrusion

แปลว่า(english) Forcing metal to flow in a direction opposite to the motion of a punch or die.

Bleeder

แปลว่า(english) A defect wherein a casting lacks completeness due to moltn metal draining or leaking out of some part of the mold cavity after pouraing has stopped.

Aging 2

แปลว่า(english) A change in properties that occurs at ambient or moderately elevated temperatures after hot working or a heat treating operation (quench aging in ferrous alloys), or after a cold working operation (strain aging). The change in properties is often, but not always, due to a phase change (precipitation), but does not involve a change in chemical composition. In a metal or alloy, a change in properties that generally occurs slowly at room temperature and more rapidly at higher temperatures.

Blast Cleaning (blasting)

แปลว่า(english) A process for cleaning or finishing metal objects by use of an air jet or centrifugal wheel that propels abrasive particles (grit, sand, or shot) against the surfaces of the workpiece at high velocity.

Addition Agent

แปลว่า(english) 1) Any material added to a charge of molten metal in bath or ladle to bring alloy to specifications, 2) reagent added to plating bath.

Blowhole 2

แปลว่า(english) A cavity which was produced during the solidification of metal by evolved gas, which in failing to escape is held in pockets.

stone-polished metal bowl

แปลว่าลงหิน

N

tiny rolled metal amulet inscribed with magic words

แปลว่าตะกรุด

N

metal tube or mortar used in combination with a pestle in shredding betel leaves and areca nuts for chewing

แปลว่าตะบัน

N

metal made in heart shaped form

แปลว่าใบโพ

N