คำศัพท์ภาษาอังกฤษ
Brinell Hardness Test
แปลว่า(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 Brinell Hardness Test
คำศัพท์ช่างภาษาอังกฤษ - ไทยที่คล้ายกัน
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