hardness testing

Research on Nondestructive Hardness Testing of Ferromagnetic Material by Barkhausen Noise

利用巴克豪森噪声无损测量铁磁材料硬度试验研究

Analysis for tubes hardness testing

管材硬度试验分析

Development of The Automatic Steering Gear Rack Hardness Testing Control System

转向器齿杆硬度自动测试控制系统的设计

Structure optimization of hardness testing device based on virtual design has been presented .

提出了一种基于虚拟仿真技术的硬度检测设备结构设计。

Research of a New Nano Hardness Testing Device

一种新型纳米硬度检测装置的研究

Reliability Analysis on Burned Aircraft Structure by Hardness Testing

硬度法检测飞机火烧构件的可靠性分析

Mechanical hardness testing machine for testing industrial materials

测试工业材料机械式硬度测试机

So the strength testing can not be replaced by hardness testing .

硬度测试不能完全代替强度测试；

Study on lift-off effect in rail surface hardness testing by electromagnetic impedance method

电磁阻抗法检测钢轨踏面硬度中提离效应的研究

The mechanical properties of composites were studied by tensile testing and hardness testing .

并且用万能电子拉伸试验机和硬度测试仪研究了复合材料的力学性能。

Indentation methods of hardness testing comprise two principal groups .

压痕法测定硬度包括两大类。

Shaft Frame Hardness Testing and Data Processing

井架强度测试及数据处理

Factors Influencing Hardness Testing of Cigarette and Filter Rod

影响卷烟、滤棒硬度测试的因素分析

The purpose is to present a common theory and method of shaft frame hardness testing and data processing .

旨在提供井架强度测试及其数据处理的一般理论和方法。

Method of Shore hardness testing for mill rolls

GB/T13313-1991轧辊肖氏硬度试验方法

Non-Destructive Hardness Testing System of Ferromagnetic Material

特殊铁磁材料硬度无损检测系统的研究

Indentation size effect in Vickers hardness testing of ceramics

陶瓷材料Vickers硬度的压痕尺寸效应

A discussion on electromagnetic nondestructive approach for hardness testing of heat-treated workpieces

钢铁件热处理硬度的电磁无损检测方法探讨

Hardness testing methods for rubber , vulcanized or thermoplastic

硫化橡胶及热塑橡胶硬度试验方法

Micro - hardness testing dedicates that interface of mechanical binding has brittle phase ;

显微硬度测试表明，机械结合的界面会有脆性相的生成；剪切强度测试表明，提高体积比可以明显提高界面结合强度，但也会明显降低复合材料的整体强韧性。

A Discussion on On-line Nondestructive Hardness Testing

硬度在线无损检测刍议

A New Hardness Testing Instrument & Leeb Hardness Tester

一种新型硬度测试仪器&里氏硬度计

Brief introduction to standard for Brinell hardness testing of ASTM

ASTM布氏硬度试验标准简介

Nondestructive Hardness Testing in Production

生产过程中的硬度无损测量

The major tasks of this paper are the research of Vickers hardness testing system based on the image processing and the implementation of it .

本文主要是对基于数字图像处理技术的维氏硬度测量系统进行研究与实现。

The fracture mode and cause were analyzed and determined by fracture surface observation , metallurgical structure examination , chemical analysis and hardness testing .

通过断口宏微观观察、金相组织检查、化学成分及硬度检测等手段确定了叶片断裂性质和原因。

In this paper , composition , microstructure and hardness testing were carried out with the two typical failed automobile brake drum .

对两种典型失效形式的汽车制动鼓化学成分、显微组织和硬度等进行了检验和分析。

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 failed keyway broach was analysed by chemical analysis , hardness testing and metallograph-ic examination .

对断裂单键拉刀进行了化学成分分析、硬度测定和金相检验。

The failure reason of the thermo-compression drift was analyzed through macroscopic examination , hardness testing and metallographic examination .

利用宏观检验、硬度测试及金相检验等方法，对热压冲头失效原因进行分析。