热硬度，即材料由于存在于切削区的高温而升温时仍能保持其硬度的能力。
Hot hardness, which is the ability of the material to retain its hardness at elevated temperatures in view of the high temperatures existing in the cutting zone.
通过合并磨削热模型和回火效应可以预测工件磨削后的表面硬度变化。
Combining the tempering behavior with the grinding thermal model, the change in surface hardness due to grinding heat could be predicted.
因此，辊子表面有极高的硬度、脆性及热不稳定性。另外，由于高的硬度使之具有高的裂纹敏感性。
Therefore, the roll surface is extremely hard and brittle and it is thermally unstable. In addition, it is highly crack sensitive because of the high hardness.
通过合并磨削热模型和回火效应，可以预测工件磨削后的表面硬度变化。
Combining the tempering behaviour with the thermal model of grinding, the change in surface hardness due to grinding heat can be predicted.
对不同焊接热输入下的6063铝合金焊接接头进行人工时效，分析其硬度分布和强度的变化。
Effects of artificial ageing on the hardness distributions and strength were analyzed for 6063 aluminum alloy joints welded by varying heat inputs.
并藉著板厚的改变探讨其对热影响区之金相组织与硬度造成之影响。
Next, consider the effect of the thickness of plates on the microstructure and hardness in HAZ.
根据油田热采现场的实际应用情况，对失效螺栓进行了预紧状态以及操作状态的强度校核，并进行了硬度测试。
According to actual case of thermal recovery in oil field, strengths were checked on pretighten force and working state, and the rigidity was test for failure bolt.
另外，研究了消失模铸造法铸型表面硬度、界面换热系数的变化规律。
Moreover, the variation law of mold surface hardness and interface heat transfer coefficient were studied.
对试样进行了硬度、拉伸强度、断裂伸长率、热老化等性能试验；对老化后的试样表面进行了SEM表征。
Hardness, tensile strength, breaking elongation ratio and aging property of samples were tested and surface of sample after aging was represented by SEM.
其基础树脂固化后的硬度和热变形温度较高，同时又具有良好韧性和耐气候性。
Based on the resin curing the hardness and thermal deformation temperature higher, but also has a good climate of tolerance and toughness.
系统研究了材料的组成对表面硬度、透光率、冲击强度、热变形温度、密度等性能的影响。
The effects of componets and contents on surface hardness, impact resistance, defromation start temperature, density an so on were systematically studied.
磨削热导致回火引起淬硬钢磨削后表面硬度变化。
Tempering resulting from grinding heat caused surface hardness changes of hardened steels after grinding.
基于对实际点焊接头硬度分布的分析，建立了包括熔核、热影响区和母材的单点点焊搭接接头计算模型。
Based on the hardness analyses of actual spot welded joints, a computational model that consists of nugget, HAZ and base metal is established for the single point spot welded lap joints.
结果表明，激光表面钴合金化可获得含钴均匀的合金化层，高温硬度和热疲劳性能均有提高。
The results show that the high temperature hardness and the heat fatigue performance of alloying layer are improved.
H13 热作模具钢表面经激光熔覆钴基合金后显著提高了模具的高温硬度和热疲劳抗力。
With laser cladding Co-base alloy coatings, the high temperature hardness and thermal fatigue resistance of H13 hot-working die surface were appreciably increased.
首先分析了热烧结矿筛分机(简称热矿筛)筛板使用寿命短的主要原因是由于筛板材质高温硬度低、高温耐磨性差。
It is analyzed the main reason that hot mineral screen plate has short service life, it is because that screen plate had low high temperature hardness and low high temperature wear-resistance.
因此，辊子表面有极高的硬度、脆性及热不稳定性。
Therefore, the roll surface is extremely hard and brittle and it is thermally unstable.
经实测验证证明，所建立的HAZ硬度计算公式及热模拟haz硬度计算公式是可靠的。
The practical measurement results showed that the formulas established for calculating the hardness of real HAZ and thermal simulated HAZ are reliable.
通过冷裂敏感性试验、焊接热影响区最高硬度试验及可调拘束试验，对新型铁路车辆用TCS耐蚀钢的焊接性进行了深入系统分析。
The weldability of TCS corrosion resistant stainless steel for railway wagon was investigated by cold cracking sensitivity test, HAZ maximum hardness test and varestraint test.
各向同性热解炭与传统炭材料相比具有较高的杨氏模量、硬度和强度。
Mechanical tests show that the(Young's) modulus, microhardness, flexural strength and compressive strength of the carbons are higher than those of traditional carbon materials.
根据大量的测试数据分别建立了焊接HAZ和热模拟haz的硬度计算公式。
On the basis of a great amount of data through measurement, the formulas for calculating the hardness of welding HAZ and thermal simulated HAZ were respectively established.
为改善钽喷丝头的品质，提高其硬度和耐碱腐蚀能力，利用热丝CVD制备不同粒径的金刚石薄膜，并通过对钽衬底的碳化处理，成功使之沉积于纯钽喷丝头表面，对纯钽喷丝头进行表面强化。
To improve the quality of Ta Spinnerets with high hardness and alkali-proof corrosion, HFCVD is used to deposit crystalline diamond films with different sizes of grain on carbonized Ta spinnerets.
测试和分析了聚乙烯管道热熔对接焊接头的结晶度、硬度、拉伸性能和冲击性能，并与基材的性能进行了比较。
Crystallinity, hardness, tensile strength and impact toughness of fusion welding joint of polyethylene pipes are tested and analyzed.
电镀薄片可以用来制备光学显微镜、扫描电镜及透射电镜的观察样品，而且可以用来进行粉末的热片进及业余末的显微维氏硬度测试等实验。
The plated sheet can be used to prepare the specimen for optical microscopy, SEM and TEM, it can also be used for the heat-treatment and the microhardness test of the powders.
无论是焊接热模拟试件还是焊接接头硬度测试均表明HAZ不存在软化问题，接头拉伸试验断在远离热影响区的母材上。
Hardness measurement on welding thermal simulated specimens and cross weld specimens showed that no softening occurred in the HAZ. All the cross weld tensile specimens ruptured in the base metal.
为此，本文采用计算机对热过程温度场进行了数值模拟。实测结果证实了模拟结果的正确性。由此分析了热影响区硬度升高的原因，并找出了解决该问题的途径。
So, we calculate the temperature field by means of finite element method and analyze the cause of hardness rising in heat effecting zone, and also find out the approach for solving the problem.
本文运用电子扫描、金相分析、硬度测量等方法对气门阀热镦模的早裂进行了失效分析，探讨了模具的失效机理，提出了改善模具质量、提高模具使用寿命的途径。
In this paper, the failure of hot-work valve die is analysed with SEM, optical microscope and hardometer. The crack mechanism is explained and some methods are presented to prolong the die-durability.
结果表明：氩气能有效降低渗层的硬度梯度，提高离子渗氮h 13钢的热疲劳性能。
The result shows that the argon gas can effectively decrease the hardness gradient and improve the thermal fatigue behavior of ion nitriding steel H13.
电镀法得到的合金比一般热熔法得到的合金硬度高、耐磨性好，如镍-钴合金和镍-磷合金等。
The alloy plating method to get the melt method than the average of the alloy get high hardness, good abrasion resistance, such as nickel and cobalt nickel alloy-phosphorus alloys, etc.
电镀法得到的合金比一般热熔法得到的合金硬度高、耐磨性好，如镍-钴合金和镍-磷合金等。
The alloy plating method to get the melt method than the average of the alloy get high hardness, good abrasion resistance, such as nickel and cobalt nickel alloy-phosphorus alloys, etc.
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