Optical metallographic microscope, micro-hardness tester, electron microprobe and X-ray diffraction analysis were applied to explore the process of intermediate temperature tempering transformation. 利用光学金相显微镜、显微硬度计、电子探针及X射线衍射分析仪初步探索其中温回火转变过程。
Hardness profiles of boronizing layer with RE and without RE addition were measured by using micro-hardness tester from surface to core. 用显微硬度计对加稀土和不加稀土的渗硼层显微硬度进行了测量和分析;
The goal of this study was to evaluate the effects of 3 higher-concentration CP whitening solutions on the tooth surface in vivo with the scanning electron microscope and micro-hardness tester; 本研究选用较高浓度的过氧化脲漂白剂,应用扫描电镜和显微硬度测试,观察和评价了其在体情况下对人牙齿表面结构的影响;
La-Mo, Co-Mo and La-Co-Mo alloys were respectively deposited on titanium substrates with DSA anodes. The properties of Mo alloys were detected with methods of AES, electronic thickness gauge, micro-hardness tester, scratch adhesion test and salt spray test. 以DSA为阳极分别在钛基体上电沉积LaMO、CoMo、LaCoMo合金,采用AES、电子测厚仪、显微硬度计、划痕实验、盐雾实验等手段对镀层性能进行测试。
The effects of gas temperature, substrate hardness on the deformation and deposition behaviors of the cold-sprayed Ni, Cu alloy particles were investigated by observing their impacted morphologies. With the aid of OM, SEM, TEM, EPMA, micro-hardness and tensile tester, etc. 通过观察冷喷涂Ni粒子和Cu合金粒子碰撞基板后的变形形貌研究了气体温度和基板硬度对粒子变形结合行为的影响。
The microstructure of functionally graded WC-Co cemented carbide with dual phase structure prepared by so-called two-step technique was observed by metallography. Vickers hardness ( HV2) along the gradient was tested by micro-hardness tester. 用光学显微镜观察了采用两步法工艺制备的双相结构功能梯度WC-Co硬质合金的微观组织结构,并测量了其小负荷维氏硬度。
The structure and performance of Ni base Al_2O_3 spay-welding coatings were synthetically analyzed with the use of XRD 、 SEM 、 micro-hardness tester and so on. 利用XRD、SEM、显微硬度计等测试手段,系统研究了镍基复合喷焊层的组织和性能。
Microstructure features of nano-surface layer were systematically characterized by using X-ray diffraction ( XRD) analysis, Optical microscope ( OM) and Micro-hardness tester. 借助X射线衍射仪、光学显微镜及显微硬度仪对纳米化合金的组织和性能进行了表征。