ผลการค้นหา

Babbitt

แปลว่า(english) An antifriction metal alloy used for bearing inserts;made of tin,antimony,lead and copper.

Brittleness

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

Burnishing 2

แปลว่า(english) Smoothing surfaces through friction between the material and material such as hardened metal media.

Burn

แปลว่า(english) 1) Process of cutting metal by a stream of fuel and oxygen, 2) to permanently damage a metal or alloy by heating to cause either incipient melting or intergranular oxidation.

Blue Vitriol Copper sulfate

แปลว่า(english) A layout solution which turns a copper color when applied to a clean,polished metal surface.

Bath

แปลว่า(english) Molten metal on the hearth of a furnace, in a crucible, or in a ladle

Backward Extrusion

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

Burnishing

แปลว่า(english) Developing a smooth finish on a metal by tumbling or rubbing with a polished hand tool.

Activation

แปลว่า(english) The changing of the passive surface of a metal to a chemically active state. Contrast with passivation.

purple-heart

แปลว่า( ไม้ ) ไม้ตระกูล Peltogyne purpurea เป็นไม้พื้นเมืองใน Dutch Guiana เนื้อไม้แข็งมีสีตั้งแต่แดงอ่อนๆ จนถึงแดงปนม่วง ใช้ทำเครื่องไม้อัด

Bridling

แปลว่า(english) The cold working of dead soft annealed strip metal immediately prior to a forming, bending, or drawing operation. A process designed to prevent the formulation of Luder's lines. Caution-Bridled metal should be used promptly and not permitted to (of itself) return to its pre-bridled condition.

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.