grain coarsening
英 [ɡreɪn ˈkɔːsnɪŋ]
美 [ɡreɪn ˈkɔːrsnɪŋ]
网络 晶粒变粗; 晶粒粗化
双语例句
- Austenite Grain Coarsening during Reheating in a Nb-V-Ti Microalloyed Steel
Nb-V-Ti微合金钢再加热过程中的奥氏体晶粒粗化 - As carbon content increasing, the grain coarsening of CGHAZ is inhibited, thus, the impact toughness and fatigue strength are significantly improved.
随着C含量提高，焊接粗晶区中的晶粒粗化被抑制，因此，使得冲击性能和疲劳强度被明显提高。 - With the increase of ω( Ti) e content, the austenite gain size decreases and the grain coarsening temperature of the steel rises.
随W（Ti）e增加，试验用钢的奥氏体晶粒尺寸减小，晶粒粗化温度提高。 - Cause Analysis of Local Grain Coarsening in Hard Wire Rod
硬线盘条组织中局部晶粒粗大原因分析 - The effects of chemical composition, specially si content in specimens on the type and the quantity of grain boundary precipitates, and on the fracture feature and grain coarsening were discussed.
分析讨论了试样的化学成分，特别是Si含量对晶界沉淀的类型、数量和断口特征及晶粒长大倾向的影响。 - When ω( Ti) e content is more than 0.031%, the austenite inherent gain size and the grain coarsening temperature of the steel could be up to grade 7 and 980 ℃ respectively.
当W（Ti）e>0.031%时，试验用钢的奥氏体本质晶粒度可达7级以上，晶粒粗化温度提高到980℃以上。 - Influence of Ti Content on Austenite Grain Size and Grain Coarsening Temperature in Medium-carbon Boron Steel
钛含量对中碳硼钢奥氏体晶粒度及晶粒粗化温度的影响 - The results shown that austenite grain is fined by pre-normalizing at optimum temperature and the grain coarsening temperature decreases with increasing the normalizing temperature.
结果发现，适当温度的预正火可以细化奥氏体的晶粒；随着预正火温度的升高.晶粒粗化温度降低。 - The most explicit microstructure features of the heat affected zone ( HAZ) were grain coarsening and continuous intermetallic compound β-Al_ ( 12) Mg_ ( 17) on the grain boundaries.
β-Al12Mg17的体积分数为7.3%。焊接热影响区（特别是近缝区）最突出的显微组织特点是晶粒粗化和连续分布于晶界的β-Al12Mg17金属间化合物。 - Experimental results show that these ultra& fine grain steels are prone to serious grain coarsening.
试验结果表明，这些超细晶粒钢都具有严重的晶粒长大倾向； - The influences of hot rolling process parameters and effective titanium content on austenite grain coarsening temperature were studied by means of quantitative metallography.
本文采用定量金相法研究了热轧工艺和有效钛含量对20MnVB钢奥氏体晶粒粗化温度的影响； - The mechanism of activation and grain coarsening during reduction is discussed.
基于实验结果，探讨了还原过程活化及晶粒长大的机制。 - Grain coarsening behaviour towards Austenitic Hot work tool steels and effect of alloying elements
奥氏体热作工具钢的晶粒粗化行为及合金元素的作用 - Austenite Grain Coarsening and Recrystallization Parameters of Steel Containing Titanium
含钛钢的奥氏体晶粒粗化与再结晶参数 - Local decrease of yielding stress due to grain coarsening in the heat-affected zone ( HAZ) of fine-grained steel welded joint affects the security of the joint so that a quantitative evaluation of this effect need to be made.
细晶粒钢焊接接头热影响区晶粒粗化引起的屈服应力的局部下降，对接头安全性的影响需要做出定量评价。 - In view of the results, the authors deem it necessary to keep the impurities content in the original silver under strick control so that intercrystalline cracks due to erosion and stress incurred by contamination and grain coarsening during welding can be prevented.
结果认为，要避免晶间蚀裂，应严格控制原始材质的杂质含量，防止焊接过程中被沾污及晶粒粗化所带来的应力。 - Densification and Grain Coarsening of Melting Snow
湿雪的密实化与颗粒粗化过程研究 - The influences of six kinds of conditioning heat treatments and different effective titanium contents on the behavior of austenite grain coarsening were studied.
研究了6种预先热处理工艺及有效钛含量对18CrMmVB钢奥氏体晶粒长大行为的影响。 - Second-phase on grain coarsening time and temperature
第二相与晶粒粗化时间及粗化温度 - The ratio of Ni/ Mn substantially affects the grain coarsening. The volume fraction of M_23C_6 and MC carbides in the steel increases with the increase of the Ni/ Mn ratio.
Nj/Mn比对晶粒粗化也有较大的影响，随Ni/Mn比的增加，钢中M（23）C6和MC质点的体积分数增加。 - Grain coarsening temperature of V-Ti-N microalloying steels
V-Ti-N微合金钢的晶粒粗化行为 - The results showed that the cracking on fish plate was mainly resulted from the grain coarsening of material.
结果表明，材料的原始晶粒粗大是产生裂纹的主要原因。 - The results show that the grain coarsening temperature ( T_ ( GC)) of this steel is 980 ℃, and the grade of austenitic grain is determined by the ratio between particle size and volume fraction of the second phase particles.
结果显示这种钢的晶粒粗化温度为980℃，第二相质点的尺寸和体积分数的比值决定了奥氏体晶粒的粗化程度。 - The dispersed MC-type carbonitrides inhibit grain coarsening during solution treatment above γ′ solvus temperature.
高于γ′相固溶温度热处理时，弥散分布MC型碳氮化合物阻碍晶粒长大； - The accuracy of rolled piece lies on not only mill accuracy but also deformation mode, therefore, the grain coarsening zone should be avoided and the free spreading of rolled piece should also be controlled.
但轧件的精度除取决于轧机精度外，变形方式也是重要因素，要避开晶粒粗大区，同时必须控制轧件的自由宽展。 - The hardness of coarse-grained region was reduced by grain coarsening and the weakening or disappearing of matrix strengthening approaches during welding.
对于焊接热影响区粗晶区，由于晶粒粗化以及母材的一些强化途径在焊接热过程中受到削弱或消失，导致硬度降低。 - According to the analysis of organization, we knowed that the weld area before heat treatment was mainly grain coarsening lath martensite; the HAZ was martensite and a small amount of residual austenite.
通过组织分析可以看到，热处理前焊缝区主要为晶粒粗大的板条马氏体组织；热影响区为马氏体组织和少量残余奥氏体。 - For example, the increase in testing temperature leads to general decreasings of yield stress and steady flow stress, and meanwhile, it promotes grain coarsening and thereby strain softening as the temperature is below recrystallization.
例如：温度的升高总体上导致压缩屈服应力与稳态流变应力的降低；同时促进晶粒的宽化，引起应变软化的发生（温度低于再结晶温度）。 - The reduction of impurity concentration leads to a smaller amount of secondary phase precipitates and grain coarsening in as-cast state.
随着杂质含量的降低，第二相析出物的数量有所降低，同时铸态晶粒尺寸有所增大。