ภาษาไทย
(english) A common standard method of measuring the hardness of materials. The smooth surface of the metal is subjected to indentation by a hardened steel ball under pressure. The diameter of the indentation, in the material surface, is then measured by a microscope and the hardness value is read from a chart or determined by a prescribed formula.
ภาพประกอบ (english) A common standard method of measuring the hardness of materials. The smooth surface of the metal is subjected to indentation by a hardened steel ball under pressure. The diameter of the indentation, in the material surface, is then measured by a microscope and the hardness value is read from a chart or determined by a prescribed formula.
คำศัพท์ช่างภาษาอังกฤษ - ไทยที่คล้ายกัน
Bend Test BHN blue stone Brinell Hardness Brinell Hardness Number Brinell Hardness Testing cement test colour test flexural test hardness test Test Specimen
