建立了回火硬度与回火温度关系的回火效应模型。
The tempering behavior model of relationship between tempering hardness and temperature was set up.
产品成形精确,回火硬度一致,从而可靠地保证了产品的品质。
The products form accurately, and each stiffness is in according with the others so that assure the quantity of the products reliably.
研究了淬硬钢回火硬度与回火温度的关系,建立了回火硬度与回火温度关系的回火效应模型。
Having studied the relationship between tempered hardness and tempering temperature for hardened carbon steels, a tempering behaviour model is set up between hardness and temperature.
研究了1.2311塑模钢扁钢尺寸、终轧温度、回火温度等主要工艺参数对其轧后硬度、回火硬度及组织均匀性的影响。
The influence of processing parameters, such as finishing rolling and temper temperatures, on the hardness and microstructure of 1.2311 plastic die flat steel were studied.
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.
由回火温度与硬度变化曲线证实,残余应力重新分布是与残余奥氏体转变相关联。
According to the tempering temperature and hardness curve, the redistribution of residual stress is associated with the transformation of residual austenite.
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.
二次回火后硬度变化不大,三次回火后,硬度反而降低。
Two times temper has little effect on the hardness, three times temper will decrease the hardness.
此外,文中还研究了淬火、回火或循环热处理对该复合材料硬度值的影响。
Moreover, the effect of quenching, tempering or cycling heat treatment on the hardness values of the composite is also studied.
当回火温度进一步升高时,硬度逐渐降低。
When tempering temperature further heightens, he hardness descends gradually.
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.
研究了低碳奥氏体—马氏体双相不锈钢在不同回火温度下硬度变化规律。
This paper has studied hardness changing law of low carbon austenite-martensite double phases stainless steel at different tempering temperatures.
含氮奥氏体不锈钢的安全角优于硬度为HRC33.7和HRC30.1的高温回火中碳钢,前者具有较高的抗弹丸倾斜入射的能力。
The safe Angle of nitrogen alloyed austenitic stainless steel is better than high tempered middle carbon steel of HRC33.7 and HRC30.1 in hardness.
结果表明:回火索氏体是最佳的组织形态;微观硬度的不均匀性显著影响钢的表面加工质量。
The results indicated that the tempered sorbite was the optimum microstructure, the inhomogeneous distribution of micro hardness affected markedly the finish quality of the steel surface.
随着加工温度升高,工件表面逐渐产生回火马氏体,这是造成工件表面硬度下降的主要原因。
Tempered martensite was gradually generated as the cutting temperature increased, which is the main cause of the decrease in the hardness.
在应变疲劳曲线上,弹性线和塑性线的交点随弹簧钢回火后硬度的升高而向低循环寿命移动;
The point of intersection of elastic line and plastic line moves toward the low cycle life with the hardness of the spring steel raised after tempering from the strain fatigue curve.
多次回火后,高钒高速钢硬度降低,耐磨粒磨损性能下降。
The hardness and the wear resistance decrease after multiple tempering.
采用中频熔炼、离心雾化凝固冷却得到铸态低碳铸钢丸,并对此进行相应回火处理得到不同硬度及寿命的低碳铸钢丸。
In this thesis, series of low carbon cast steel shot were successfully obtained by medium-frequency melting and centrifugal atomization technologies and temper were performed.
结果表明:回火对试验钢的硬度和强度均有较大影响。
Results show that tempering has considerable influence on both hardness and strength.
结果表明,P2 0钢回火后的硬度越高,粗糙度越低,抛光性能越好;
The results showed that the hardness of tempered P20 steel higher, the roughness lower and the polishing performance better;
利用光学金相显微镜、显微硬度计、电子探针及X射线衍射分析仪初步探索其中温回火转变过程。
Optical metallographic microscope, micro-hardness tester, electron microprobe and X-ray diffraction analysis were applied to explore the process of intermediate temperature tempering transformation.
比较研究了堆焊层在焊态和回火态的组织、硬度、耐磨性及抗热疲劳性能。
The microstructure, hardness, wear resistance and thermal fatigue resistance of submerged -arc welded surfacing lay er in weld state and heat treatment state have been comparatively investigated.
模具结构中的镶件必须刻印材料型号、硬度以及回火性能。。
All inserts are to be stamped as to the material used in construction, type, hardness and temper.
硬度能做到61——65hrc成熟工艺是:铸造后软化退火,便于加工,加工后空冷淬火加低温去应力回火。
Hardness can do 61 — 65hrc maturation process is: annealing, softening after casting machining, machining of air cooling after quenching and low temperature stress tempering.
利用等温回火实验,采集了淬火钢在不同条件下回火时的硬度数据。
The hardness data of quenched steel under different conditions were collected utilizing austempering tests.
所述烧结且回火的坯体在没有任何淬火处理的情况下具有高硬度。
The sintered-tempered compact has high hardness without performing the quenching process.
下贝氏体组织在高应力磨料磨损下比相同硬度,或稍高硬度的回火马氏体组织具有较高的耐磨性,但在低应力磨损下表现为不利的作用。
Bainite has higher abrasive wear resistance than tempered martensite with equal or higher hardness in hard abrasion, but in reverse in soft abrasion.
如果这个回火焊逢工艺被用作控制热影响区的最大硬度,那么,在回火焊缝工艺中焊缝的排列顺序的任何改变,都将符合新的标准。
If a temper bead technique is used to control the maximum hardness of the HAZ then any change in the bead sequence or placement of the temper bead shall require a new qualification.
而最表层由于获得完全细化的马氏体组织,拥有较好的回火稳定性,与未偏磨面表层硬度相当。
However, because of fully granin refinement of martensite and good perfornance of temper resistance , the hardness of outer surface of worn side is equal to that of non-worn side.
而最表层由于获得完全细化的马氏体组织,拥有较好的回火稳定性,与未偏磨面表层硬度相当。
However, because of fully granin refinement of martensite and good perfornance of temper resistance , the hardness of outer surface of worn side is equal to that of non-worn side.
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