The ultrasonic hardnesstester is an versatile nondestructive tester.
超声硬度计是一种普适的无损测试仪器。
2
The influences of chromium content on the hardness, impact toughness and corrosion resistance of low carbon alloy steel were studied using om and hardnesstester.
利用光镜、显微硬度计研究了铬含量对低碳合金钢组织、硬度、冲击韧度及耐均匀腐蚀性的影响。
3
The using processes of material hardnesstester in materials science experiment were described.