Rockwell hardness
英
美 [ˈrɑˌkwɛl ˈhɑrdnəs]
洛氏硬度; 缩写词为RH
双语例句
- All parts in contact with the media are structural ceramic materials, their chemical stability and high hardness ( Rockwell hardness HRC90), second only to diamond.
所有与介质接触的部分均为结构陶瓷材料，其化学稳定性及硬度极高（洛氏硬度HRC90），仅次于金刚石。 - We researched the effect of powder NBR on thermal properties and mechanical properties of phenolic resin, including the binder flowability, curing rate, bending strength and Rockwell hardness.
发现添加丁腈粉末能使树脂的固化速度加快，流动性降低，试样弯曲强度和洛氏硬度降低。 - The result showed that the Rockwell hardness of the high pearlite-containing nodular iron camshaft increased with increasing of its nodularity and pearlite content.
结果表明，高珠光体含量球铁凸轮轴的洛氏硬度随着球化率和珠光体含量的升高而增加。 - The Rockwell hardness tester is a precision measurement instrument in material and part hardness testing, which is often used in detection of materials, product and half-finished product.
洛氏硬度计是检测材料和零件硬度较精密的计量仪器，用来测量材料或者成品半成品的相应硬度，其性能指标主要体现在检测精度和操控性两个方面。 - The Testing Technology of Rockwell Hardness and Uncertainty in Measurement of Rockwell Hardness Blocks
洛氏硬度测量的误差来源及洛氏硬度块的测量结果不确定度 - Evaluation of Uncertainty in Rockwell Hardness Test The Measurement Uncertainty Estimation of Environmental Chamber Temperature Performance
测量洛氏硬度过程中不确定度的评定环境试验箱温度性能不确定度的评定 - It was found that the surface roughness is significant in Brinell hardness testing, but has little influence on Rockwell hardness.
结果表明，表面粗糙度对布氏硬度值有重要影响，而洛氏硬度值与表面粗糙度关系不大。 - Hard metals& Rockwell hardness ( scale A) test method
GB/T3849-1983硬质合金洛氏硬度（A标尺）试验方法 - The Evaluation of Measurement Uncertainty for Rockwell Hardness ( Scale A) Test of Cemented Carbide
硬质合金洛氏硬度（A标尺）测量不确定度的评定 - By the hardness test of carbon steel sample, the measurement uncertainty for Rockwell hardness of B Gauge is studied.
通过碳钢样品的硬度试验对洛氏硬度B标尺的测量不确定度进行了研究。 - Research on Loading Way and Measurement Methods of Automatic Rockwell Hardness Tester
全自动洛氏硬度计加载方式和测量方法的研究 - 11 factors of testing accurancy in affecting the Superficial Rockwell Hardness of tinplate are summarized by describing and analyzing the three phases of experiment made on it.
通过详尽描述及分析马口铁表面洛氏硬度的试验过程，就实际检验过程的三个阶段中影响硬度值测试准确性的因素进行归纳和分析，总结出11个影响马口铁表面洛氏硬度值的因素。 - The technology of cryogenic treatment was applied in the different heat treating processes of casting 440A stainless steel, and Rockwell hardness test, bending test and scratching abrasion test were conducted.
在440A铸造不锈钢热处理的不同阶段引入深冷处理工艺，并进行硬度、抗弯强度、滑动磨损试验等测试。 - The basic principles and practical applications of measurement uncertainty are introduced by evaluating and analyzing measurement of metal Rockwell hardness C.
通过对金属洛式硬度C标尺的不确定度评定与分析，介绍了不确定度的基本原理及其在硬度实验中的实践应用。 - Introduction and Analysis of New Standard GB/ T 230.2 about Rockwell Hardness Tester
新洛氏硬度国家标准GB/T230.2介绍及技术对比分析 - The results show that the resistivity decreases and Rockwell hardness and wear resistance increase with the increase of MoS 2 in the composite.
结果表明，随二硫化钼含量的增加，该复合材料的电阻率降低，硬度升高，耐磨性有所增加； - The effects of Kevlar pulp, cryolite and precipitated barium sulfate on friction and wear performance, Rockwell hardness and impact strength of friction materials were examined.
分析了Kevlar浆粕、冰晶石及沉淀硫酸钡对制动摩擦材料摩擦磨损性能、洛氏硬度及冲击强度的影响。 - The reasons for presentation of suspicious data in end quench test was described. Based on investigation and analysis on the on-site process control, the technology innovation plan for sample preparation, sample heat treatment, rockwell hardness test etc.
通过现场过程控制的调查和分析，对试样加工、试样热处理、洛氏硬度测试等相关环节提出了技术整改方案并作了对比试验验证。 - A Comparative Study of Impact Strength and Rockwell Hardness on Nano Composite Denture Base Resin and Traditional Denture Base Resin
纳米基托复合树脂与传统基托树脂冲击强度及洛氏硬度的对比研究 - The influence of bulk density and graphitization degree on hardness of C/ C composites is investigated by means of measuring the rockwell hardness scales of C/ C composites with different bulk densities and graphitization degrees.
测试了几组典型的不同体积密度和石墨化度的C/C复合材料洛氏硬度值，研究了C/C复合材料的体积密度和石墨化度与其硬度特性的关系。 - The polymer has tensile strength 11.79 MPa, elongation at break 2.1% and Rockwell hardness number 122.
聚合物拉伸强度为11.79MPa，断裂伸长率为2.1%，洛氏硬度为122。 - Choices of Loading Speed and Keeping Time of Gross Load for Rockwell Hardness Tests
洛氏硬度试验中加荷速度和总负荷保持时间的选择 - The choices of loading speed and keeping time of the gross load for the Rockwell hardness tests are theoretically analyzed and certified experimentally in the paper. The purposes are to improve the working efficiency and the testing accuracy.
本文对大批量检测较高硬度材料的洛氏硬度试验（C标尺）中主负荷施加速度和总负荷保持时间的选择作了理论分析和实验证明，目的是在提高工效的同时，进一步保证试验精度。 - Deviation Analysis of Value Delivery System of Rockwell Hardness
洛氏硬度量值传递系统误差分析 - The effect of uncertainty evaluation in Rockwell hardness test is described by analyzing and calculating the uncertainty of metal in Rockwell hardness test.
通过对金属在洛氏硬度实验检测中的不确定度的分析与计算，介绍不确定度的评定在洛氏硬度实验检测中的作用。 - Finally from theory and experimentation two different directions gave detailed analyze and reckon, get Rockwell hardness system meet GB precision demand.
最后从理论和试验两个角度对系统精度给出了详细的分析与计算，得出洛氏硬度系统满足国标的精度要求。 - On the basis of the analysis of the traditional Rockwell hardness tester and the National Standard of the hardenability test, a new test system for hardenability of the steel was researched and designed.
为此，本文在分析了钢淬透性测试国家标准的基础上，研制了一种新型钢淬透性测试系统。