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Engineering (คำศัพท์วิศวกรรม) : ความหมายของคำว่า  Brinell Hardness Testing คือ ...
  Brinell Hardness Testing ความหมาย คือ (english) Method of determining the hardness of materials; involves impressing a hardened ball of specified diameter into the material surface at a known pressure (10-mm ball, 500-kg load for aluminum alloys). The Brinell hardness number results from calculations involving the load and the spherical area of the ball impression. Direct-reading testing are generally used for routine inspection of forgings, and as a heat treat control function.
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