洛氏硬度
- Rockwell hardness
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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。
By the hardness test of carbon steel sample , the measurement uncertainty for Rockwell hardness of B Gauge is studied .
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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。
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 .
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洛氏硬度计试验力误差对C标尺示值的影响
Effect of Test Force Error of Rockwell Apparatus on Indicating Value of C Scale
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洛氏硬度计是金属材料硬度检测中普遍使用的测量设备,其试验力F对硬度计示值精确性有较大的影响。
The Rockwell Apparatus is widely used for the detection of metal material hardness . The test force of hardness meter has obvious influence to the accuracy of indication .
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用扫描电镜(SEM)、X射线衍射等测试方法对制备的复合材料进行了组织结构及相组成分析,用洛氏硬度计测试试样的硬度。
The microstructure of the composites was analyzed by scanning electron microscope ( SEM ) and X-ray diffraction ( XRD ) . The hardness of the composites was measured by Rockwell apparatus .
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进口冷轧薄钢板洛氏硬度HRB检测方法的研究
Study on HRB test method for imported cold rolling sheet
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本文重点研究了分子量对超高分子量聚乙烯的耐磨性、拉伸强度、洛氏硬度、冲击强度等的影响规律,为UHMW-PE的工业应用提供理论依据。
In this paper , the effects of molecular weight on the impact strength , drawing strength , hardness , and so on of UHMW - PE were studied .
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通过对国内外新型花岗石抛光磨具的洛氏硬度(HR)、填料、烧失量、磨料含量、成分、密度分析对比;
In this paper granite polishing tools manufactured inland and imported from abroad are analysed and compared in respect of hardness ( HR ), filler loss on ignition , content of abrasive grits , compositions , density , etc.
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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 effects of Kevlar pulp , cryolite and precipitated barium sulfate on friction and wear performance , Rockwell hardness and impact strength of friction materials were examined .
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HRD-150型电动洛氏硬度计调修实例
A Case of Regulation and Service on HRD-150 Electrical Rockwell Hardness Tester
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本文根据碳素钢抗拉强度σb与洛氏硬度HRC的实验关系曲线,建立了σb-HRC的函数关系式,并将计算结果与标准数据进行了对照。
The σ _b-HRC formula of carbon steel is established according to the experimental diagram of the relationship between tensile rigidity (σ _b ) and rock well hardness ( HRC ) . The calculation results are compared with standard data with high precision .
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经试验论证,建立了进口冷轧薄钢板洛氏硬度HRB的检测方法,为索赔谈判提供了科学依据。
The test result showed that the HRB test method for imported cold rolling sheet was established and a scientific foundation was provided for claim negotiation .
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HR-150AL加高手动洛氏硬度计是一种高行程洛氏硬度测试仪器,适用于金属材料的洛氏硬度试验。
Model HR-150AL is a high distance Rockwell Hardness Tester . It 's fit for testing rockwell hardness of metal material .
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利用洛氏硬度计和ML-10型磨损实验机研究了脉冲电流对高锰钢硬度和耐磨性的影响。
The hardness and wear resistance of the steel was measured by a hardness test equipment and a ML-10 wear experimental device .
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本文根据布氏硬度(HBS)与洛氏硬度(HRC)之间的相关关系,采用数学回归分析方法,求出它们之间的数学表达式&数学回归直线方程,从而能定量地阐述两者之间的关系。
In this paper , the correlativity between the Brinell hardness and the Rockwell hardness has been investigated by regression analysis , the regression equation between the Brined hardness and the Rockwell hardness is obtained , therefore the quantitative analysis can be carried out .
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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。
All parts in contact with the media are structural ceramic materials , their chemical stability and high hardness ( Rockwell hardness HRC90 ), second only to diamond .
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采用DMS-150型定速式摩擦试验机及材料试验机等对汽车同步器齿环摩擦材料的摩擦磨损性能、胶粘剂拉伸剪切强度、洛氏硬度、抗冲击强度等性能进行了测试;
The friction and wear behaviors , adhesive tensile shearing strength , Rockwell hardness , impact strength of automotive synchronizing ring friction material had been examined by DMS-150 constant speed friction tester and material tester .
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主要用于孔径Φ38mm以上、内孔表面硬层厚度0.2mm以上的深孔管件表面洛氏硬度的测量;测孔深度可达800mm。
The instrument is mainly used for measuring surface Rockwell rigidity of deep-hole tube with hole diameters up to more than 38 millimeters and in-hole surface hard layer thickness up to more than 0.2 millimeters and it may measure the depth of a hole about 800 millimeters .
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GB/T3849-1983硬质合金洛氏硬度(A标尺)试验方法
Hard metals & Rockwell hardness ( scale A ) test method
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全自动洛氏硬度计加载方式和测量方法的研究
Research on Loading Way and Measurement Methods of Automatic Rockwell Hardness Tester
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里氏硬度值与布氏硬度值、洛氏硬度值的关系
Relationship of LeeB 's Hardness Value to Brinell and Rockwell Hardness Value
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金属洛氏硬度试验测量不确定度评定
The appreciation on the uncertainty on measuring metal Rockwell hardness
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球形压头布氏硬度与洛氏硬度值之间的理论关系
Theoretical relation between Hb and HR numbers for sphere-tipped indenter
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引起洛氏硬度值误差的分析及纠正方法
Analysis and Correcting Methods of Causing Various Rockwell Hardness Errors
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激光在国家基准洛氏硬度机上的应用
Application of Laser to the National Standard Rockwell Hardness Meter
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球墨铸铁测定洛氏硬度形成裂纹的研究
The Study of the Crack Formed by HRC Inspection in Nodular Cast Iron
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影响马口铁表面洛氏硬度测定值的因素
Analyze Some Factores in Affecting the Superficial Rockwell Hardness of Tinplate in Detail
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特深内孔洛氏硬度计设计研究
The Study and Design of Hardometer for Deep Aperture
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洛氏硬度量值传递系统误差分析
Deviation Analysis of Value Delivery System of Rockwell Hardness
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金属零件洛氏硬度值测量结果不确定度分析
Analysis about the Uncertainty in the Result of Metal Component Rockwell Hardness Measurement