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- The Vickers hardness number is indicated by HV ( formerly, DPH ). 维氏硬度用HV表示(之间写作DPH)。
- vickers hardness number 维氏硬度值,维克尔斯硬度指数
- HV-1000 Micro Vickers Hardness Tester adopts LCD screen to display. 覆层,钢,有色金属和微小及薄形零件等。
- And the measured uncertainty in Vickers hardness testing was evaluated according to procedure without bias method and procedure with bias method. 利用无偏差估计方法和考虑硬度计偏差的方法对维氏硬度试验中的测量不确定度进行了评定。
- The phase compositions are studied by X-ray diffraction technologies and the hardness are examined by the Vickers hardness tester at a load of 200g. 其中,组织结构分析采用光学显微镜和X射线衍射仪相结合的方式,取各组试样的抛光截面,测量涂层的厚度,观察涂层的致密度和组织,并用显微硬度仪测定其显微硬度;
- Through Vickers hardness test, scoring test and indentation test, the coating thickness and theadhesion of coating with matrix were analyzed. 采用维氏硬度试验,划痕和压坑试验分析了涂层厚度和涂层与基体的结合力。
- The Vickers hardness of the materials increased after 1st pass during ECAP process and the increasing trend become slower in the following passes. 1道次ECAP变形后材料的硬度明显增大,随后每道次硬度的增大趋势明显变缓。
- Hard-nesses are Brinell Hardness Numbers. 硬度是布氏硬度.
- The vickers hardness and nitriding surface fulfill requirements,and also improves the machining quality of the products. 主轴锥孔的维氏硬度和氮层深度均达到要求,提高了产品的加工质量。
- Vickers hardness tester HVS-5A1/HVS-5D1 are using precision machinery and light, electricity, computer software, the combination of a new type of hardness testing equipment. HVS-5A1/HVS-5D1维氏硬度计是采用精密机械和光、电、计算机软件相结合的新型硬度测试仪。
- The Brinell hardness number of the hot rolled plates varies with measurement on the different batch of the products. 通过对热轧中厚板在不同深度上进行布氏硬度的测定 ,表明测量深度对硬度的明显的影响 ,并指出获得稳定值的必要性。
- The hardness number is then read on a dial on the machine. The rockwell test is very quick, and is suitable for mass inspection of parts. 然后在硬度计的刻度盘上读出硬度数值。洛氏硬度计测试非常快捷,并且适用于部件的成批检验。
- The Brindle hardness number (HB, formerly BHN) is defined as the ratio of the load P to the curved surface area of the indentation. 布氏硬度值(HB,之前写作BHN)按照加载物在凹口的曲面区域的比值来定义。
- The piece of cap is made from high heat-resistant material with good heat capacity, and Brinell hardness number in 180 to 135. 帽件由有良好热容的高耐热材料制成,且材料的布里涅尔硬度指数在180到135之间。
- Effects of electron beam surface remelting and solidification on the microstructure and hardness of Crl2MoV steel are studied by means of an optical microscope and a Vickers hardness tester. 本文采用电子束对Cr12MoV模具钢进行表面熔凝处理,并利用光学显微镜及显微硬度计等研究了材料在电子束表面熔凝处理后的显微组织及硬度变化规律。
- Series HV / HVS Vickers Hardness Tester, that is composed of precision mechanism, optical system and electric technology, is used to measure Vickers hardness of either metallic materials or non-metallic materials. HVS系列维氏硬度计是由精密机械,光学系统和先进技术萃合而成的材料硬度测定仪器,用于测定黑色金属、硬度合金、有色金属、表面渗氮层、氮化或非金属材料的维氏硬度,可用于各行各业的金属材料、大专院校等。
- The experimental methods included visual observation, Vickers' hardness test, micro-scoping, composition analysis, scanning electro-microscopy analysis and fractured surface observation. 分别进行外观观察、硬度测量、微观观察、成分分析及破断面分析。
- The corresponding relation between Vickers hardness and Leeb hardness is investigated in this paper,and the method of least square estimation is used to regress the equation between them. 研究了维氏硬度和里氏硬度的对应关系,在大量试验的基础上,采用最小二乘法拟合了维氏硬度和里氏硬度的关系式,并对原换算表的低值部分进行了扩展。
- The measurement error of indentation in Brinell and Vickers Hardness testing exerts a great influ-ence on Brinell and Vickers Hardness value. To minimize the measurement error, this article proposed a correct measurement method. 布氏和维氏硬度压痕的测量误差对布氏和维氏硬度值影响很大;为了减少压痕的测量误差本文提出了正确的测量方法供硬度试验人员参考.