The hardness of surface remelting zone increases by 20% compared with the substrate.
表面熔凝区的硬度较基体提高了20%。
Through Fe Ni alloying the hardness of surface is increased. The higher the contents of Fe and Ni, the higher the hardness of surface after welding and after T6 treating.
经铁镍合金化后的表面硬度提高,铁、镍含量越高,焊后和T6处理后的表面硬度越高。
Emergent properties arising via thermodynamic and morphodynamic constraints are abundant in non-life: the hardness of minerals; the malleability of metals; the surface tension of liquids.
非生命物质,由于热力学和形态动力学约束,得到的自然发生的性质是丰富多彩的:矿物的硬度,金属的延展性,以及液体表面的张力。
The UV-cured ink has a similar hardness to automotive paint, and a final coat of matte or semi-gloss acrylic further protects the colored surface.
所用的防紫外线的油漆与汽车喷漆的硬度相当,最外面一层是不光滑或者说是半抛光丙乙烯材质外壳提供了进一步的保护。
As the size of parts to be hardened increases, the surface hardness decreases somewhat even though all other conditions have remained the same.
即使所有其它条件保持不变,随着要淬火的零件尺寸的增加其表面硬度也会有所下降。
This surface has extreme hardness (60 RC. ), excellent wear and corrosion resistance, and low coefficient of friction.
这表面有极高的硬度(60局。),耐磨性和耐腐蚀性,低摩擦系数。
Nitriding develops extreme hardness in the surface of steel. This hardness ranges from 900 to 1,100 Brinell, which is considerably higher than that obtained by ordinary case hardening.
渗氮在钢表面获得远远超出正常标准的硬度。其硬度范围为900到1,100布氏硬度,这远高于普通表面硬化所获得的硬度。
Adamson points out that the hardness of an overlay and concrete are not the same, therefore the harder the surface, the cleaner the cut.
亚当森指出,一个覆盖和具体的硬度不一样,因此很难从表面上看,清洁的削减。
Combining the tempering behaviour with the thermal model of grinding, the change in surface hardness due to grinding heat can be predicted.
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。
New environment-friendly water-based varnish: excluding ketones, volatile organic compounds were very low; durability and good abrasion resistance, surface hardness of up to 2H.
新型环保水性清漆:不含酮,有机挥发物含量极低;耐久性和抗磨损性好,表面硬度可达2H。
Five see: texture is mainly from the surface of the stone, stone skin to see the hardness of the stone, density and delicate, bright and clean degree.
五看:质地主要是从石头的表层、石肤来看石头的硬度、密度与细腻、光洁的程度。
One simple way of describing strength is in terms of surface hardness.
描述强度的一种最简单方法是以表面硬度来表示。
Diamond CVD coating process is introduced to increase the surface hardness of cutting tools.
为增加切削刀具表面硬度引入了钻石化学蒸发沉淀涂层工艺。
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.
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。
The energy absorptivity and hardness of knife surface are obviously increased using graphite coating during laser thermal treatment for high speed steel knife.
采用石墨涂层,对高速钢刀片进行了激光热处理,显著地提高了刀片表面的能量吸收率和硬度。
Moreover, the variation law of mold surface hardness and interface heat transfer coefficient were studied.
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。
The microstructure and hardness of the laser modified surface are governed by the laser processing parameters.
激光表面改性层显微组织与显微硬度受激光处理工艺参数的控制。
Changing the number of the teeth of a pinion gear or the hardness of the surface of tooth and other parameters, the different results will be gained.
只要改变小齿轮齿数或齿轮齿面硬度及相应的有关参数,可得到齿轮传动计算的不同结果。
In this paper, we report on the modification of surface hardness, optical reflectivity, and high temperature oxidation behaviour of ion-implanted steel samples.
本文研究了离子注入对钢的表面硬度、光反射率和高温氧化性能的影响。
The introduction of polyurethane groups to the blend improved the adhesivity, hardness, curing speed and surface energy of alkyd resin.
由于在共混物中引入了芳香族氨酯键,增加了醇酸树脂漆膜的附着力、硬度、固化速度及表面能。
The reason of arc crack on retarder gear surface was analyzed by means of chemical composition analysis, hardness testing, macrostructure and microstructure examination.
通过化学成分分析、硬度试验、宏观和微观检验等方法,对减速机齿轮齿面弧形裂纹的产生原因进行了分析。
It may be used effectively in deburring, reducing the value of surface roughness, chamfering. improving conditions of surface residual stress and surface hardness and reducing greatly microdefects.
它的使用可以有效地去除毛刺,降低表面粗糙度值,棱边倒圆,改善表面残余应力状况,提高表面硬度,大幅度减少微观缺陷。
The quenching layer with high hardness on the surface of number control machine-tools axle was obtained using laser surface treatment technology.
采用激光表面处理工艺,对数控机床主轴主要表面进行快速激光扫描,可获得高硬度的淬火硬化层。
Testing signal is very sensitive to the lift off effect in the hardness nondestructive testing of rail surface by electromagnetic method, so lift off effect must be restrained.
电磁无损检测钢轨踏面硬度中,检测信号对提离效应极其敏感,所以必须对提离效应加以抑制。
This paper deals with the technique of laser cladding on contact surface of gears, micro hardness distribution, microstructure and properties of cladding and transition layer.
研究齿轮齿面激光熔覆粉末合金的工艺、显微硬度分布、熔覆层及过渡层等的金相组织及性能。
The effect of grinding depth on work piece surface hardness and hardness layer depth is important factor.
磨削深度是影响工件表面硬度和磨削淬硬层厚度的主要因素。
It also expounds influences of hardness and roughness of teeth surface, lubrication, running-in before use on touch strength of gear.
强调了齿面硬度、面粗糙度、滑情况、用前磨合情况等对齿轮接触强度的影响。
Analyse the reason that surface hardness of quench needle is not enough under original production technology circumstance of factory.
分析了工厂网带炉条件下淬火织针表面硬度不足的原因。
Surface hardness improvements of Nylon 6 implanted with ions were linked to mechanism of energy loss of ions.
离子注入后,尼龙6表面硬度提高与离子能量损失机制有关。
Surface hardness improvements of Nylon 6 implanted with ions were linked to mechanism of energy loss of ions.
离子注入后,尼龙6表面硬度提高与离子能量损失机制有关。
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