加工硬化

DP钢拥有更加优良的加工硬化能力，TRIP钢则具有较为理想的烘烤硬化能力。

DP steel has better work hardening ability while TRIP steel has better bake hardening ability .

利用磁秤试验研究了Fe－Mn－C合金奥化体变形过程的磁性变化与加工硬化的关系。

Use the magnetic balance test and research the relation of magnetic change and work hardening of Fe-Mn-C alloy during deformation process .

薄板加工硬化各向异性指数X值的分析

The Investigations of Sheet Metal Strain - Hardening Anisotropic Parameter X

TRIP钢塑性变形时加工硬化行为研究

Study on Working-hardening Behaviour of TRIP-assisted Steels During Plastic Deformation

多晶α-黄铜在单轴拉伸实验中加工硬化过程X射线分析

X-ray analysis of work-hardening process for polycrystalline а - brass during uniaxial tensile test

加入改性纳米SiC加粉后加工硬化速率较快。

The hardening rate increased rapidly with modification of nano-SiC powders .

挤压态合金的加工硬化指数n为0.256，明显低于纯铜。

Its strain hardening exponent n is 0.256 , which is obviously lower than that of pure copper .

SiC晶须的强化作用主要在于提高了加工硬化事。

The strengthening effect played by the SiC whiskers is to increase work-hardening rates of the composite .

新型TiC钢结硬质合金致密化技术TRIP钢塑性变形时加工硬化行为研究

Densification processing of a new steel bonded titanium carbide Study on Working-hardening Behaviour of TRIP-assisted Steels During Plastic Deformation

在DSA温区内，出现屈服应力平台及加工硬化速率峰值。

A stress platform and a maximum work-hardening rate both occur within the temperature range of DSA .

利用显微硬度法，结合时效过程中组织的变化规律，研究了CuNiSiCr合金在不同冷变形量下的加工硬化效应及其对合金组织性能的影响。

Effects of cold hardening on the aged microstructure and property of Cu-Ni-Si-Cr alloy with different cold deformation rate was studied by means of micro-hardness measurement .

在室温下冷轧Cu样品可得到延伸率超过5100%的超塑延展性，切冷轧过程中无加工硬化效应产生。

An extreme extensibility ( elongation exceeds 5 000 % ) without strain hardening effect was observed when the nc Cu specimen was rolled at room temperature .

提出了一种利用X射线应力分析技术和应变电测法测量附着膜的等效应力&等效单轴应变、屈服强度和加工硬化指数的方法。

A new method is presented to measure the equivalent stress-equivalent uniaxial strain curve , yield strength and strain-hardening exponent of a polycrystalline film on substrate using X-ray stress analysis and strain gauge techniques .

加工硬化后试样的X衍射分析显示，在喷丸处理条件下，高锰钢的加工硬化机制为位错理论和孪晶硬化理论，没有诱发马氏体相变。

The analysis of X diffraction of the samples after hardening showed that under shot peening conditions , the strengthening mechanism of high manganese steel had deformation twinning density and dislocation density but no Martensite strengthening .

双相钢（DP）作为一种先进高强钢，具有强度高、屈强比低、初始加工硬化速率高以及强度和延性匹配好的特点。

As one of advanced high strength steel , dual phase ( DP ) steel is widely used in producing cars nowadays and in the coming future .

Fe-Mn-C合金奥氏体变形过程的磁性变化与加工硬化

Magnetic Change and Work Hardening During Deformation of Fe-Mn-C Alloy Austenite

SEM和MS2000分析结果表明，高能球磨中存在冷焊、断裂和加工硬化现象。

The observation results of SEM and MS2000 indicate that cold welding , fragmentation and work harden occurred during high energy ball milling .

Cu-Ni-Si-Cr合金加工硬化特性

Working Hardening Characteristics of Cu - Ni - Si - Cr Alloy

模拟结果表明，在排辊成形过程，板带边缘、中心以及与BreakDown轧辊接触的区域存在较大的加工硬化；

The simulated results show that in the cage roll forming process , more work hardening exists at the strip edge , strip center , and the area on the strip , contacted by the rolls of BreakDown pass .

通过对合金的磁性测量、X射线衍射能谱、金相显微镜和断口电镜扫描等的分析，发现有磁性的合金其内部化学成分发生了变化，导致其组织结构发生变化，脆性增大，无加工硬化；

Based on magnetic measurement , X-ray diffraction energy spectrum analysis and electron microscope scanning , it is confirmed that change of composition and metallographic structure are responsible for the brittleness and work-unhardening for magnetic alloy , while the nonmagnetic alloy has evident work-hardening effect .

其中，力学性能的大幅提高可归结为：a.动态再结晶引起的细晶强化；b.位错缠结引起的加工硬化；c.化合物相破碎并弥散分布引起的弥散强化。

The significant improvement of mechanical properties can be ascribed to follows : a. refinement strengthening caused by dynamic recrystallization ; b. work hardening caused by dislocation tangles ; c. dispersion strengthening caused by the crushed and dispersive distributed compound phases .

原因在于W粒经过破碎后会产生加工硬化，储存能主要以结构缺陷的形式存在于颗粒中，碳化时，高温环境使W颗粒发生了回复和再结晶。

The reasons are as follows : strain hardening will exist in W particles after ball milling and the strain energy will be stored in the particles with the form of structural defect . During the high temperature carbonization , recovery and recrystallization occur .

得出Ti-IF钢加工硬化率-应变曲线、动态再结晶状态图和动态再结晶体积分数方程。

The curves of work hardening rate-strain for the Ti-IF steel , the dynamic recrystallization diagram and the volume fraction equation of dynamic recrystallization were obtained .

首先采用BC路径对304奥氏体不锈钢在室温下进行挤压，并对每道次挤压后的试样进行退火处理，以消除加工硬化和形变诱发马氏体。

At first 304 austenitic stainless steel was pressed at room temperature by route BC of ECAP . The work-hardening and deformation induced martensite during ECAP of 304 stainless steel were reduced by annealing treatment after each ECAP pass .

TWIP钢为孪生诱发塑性钢，具有高的加工硬化率、高的延展性、高的强度等一系列特殊的机械性能，因此在未来的汽车工业生产中具有广阔的应用前景。

Because of twinning induced plasticity effect , TWIP steel exhibits some special mechanical properties , such as high work-hardening , large elongation and high tensile strength .

研究新型高温合金GH761拉削时产生加工硬化的现象和变化规律，这对研究GH761合金的实际应用和探讨拉刀磨损原因是非常必要的。

Studied the mechanism of work hardening by broaching new engine superalloy GH761 , which is important to GH761 application and discussion the reason of cutting tool wear .

在600℃～800℃下，TAWY合金高温变形过程中的加工硬化，受晶内位错滑移机制控制。

At 600 ° C ~ 800 ° C , the hardworking ability is controlled by the dislocation sliding in y grains during the deformed processing .

该研究结果说明，Al-Cu-Mg合金中S相的存在，对位错的运动和塑性变形有很大的阻碍作用，因而能明显增加材料的流变应力和加工硬化能力。

The plastic deformation process is called the dislocation tangle mechanism . The investigative result demonstrates that the S-phase in Al-Cu-Mg alloy has a big obstruction effect for dislocation movement , and so the S-phase can obviously increase flow stress and cold work-hardening ability .

该组织的硬度虽不很高（35HRC）却具有很强的抗钻削能力，其主要机制是钻削时加工硬化引起部分奥氏体转变成马氏体。

Hardness of this structure was not very high ( 35HRC ), but the capacity to resist drilling was great . This is because that some of austenite changed into martensite during drilling .

结果发现，正火状态的低碳Mn-V钢的应力应变曲线的Lüders带区的BE大于加工硬化区，并且在Lüders应变区没有永久软化。

The results show that the BE in the luders region is larger than that in the workhardening region on stress-strain curves in the normalized low carbon Mn-V steel , but none of the tension-compression stress strain curves in the luders region exhibits permanent softening .