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缓冷     
相关语句
  slow cooling
     YBa2Cu3O7-y single crystals have been grown using the slow cooling flux method.
     用助熔剂缓冷法成功地生长出了YBa_2Cu_3O_(7-y)单晶体。
短句来源
     The results show that after slow cooling from 1100℃, the microstructure of the sample consist of (α_2+β) phase.
     结果表明,合金在1100℃加热后缓冷到室温的样品其组织由α_2+β相组成。
短句来源
     According to the features thatshape,properties of WZB-NM3 60 thin plate are noteasy to be controlled,analysis and summing up are made of heat treatment process in slow cooling pit for WZB- NM3 60 A,improving measures and proposals are putforward.
     针对 WZB-NM3 60 A薄板板型、性能不易控制的特点 ,对 WZB-NM3 60 A缓冷坑热处理工艺进行分析、总结 ,提出了改进措施和建议。
短句来源
     Analysis of Tempering Process in Slow Cooling Pit for High Strength Wear Resistant Steel WZB-NM3 60A
     高强度耐磨钢WZB-NM360A缓冷坑回火工艺分析
短句来源
     Adopt of 165Cr12MoVW(X165CrMoV12)steel grade for roller rings by centrifugal casting,casting ring drawing from hot molding for slow cooling and quenchingtempering heat treatment at low temperatures are proposed.
     采用165Cr12MoVW(X165CrMoV12)钢种以离心浇注、热脱模保温缓冷和低淬低回热处理等工艺技术制造矫直机辊环。
短句来源
更多       
  slow-cooling
     The results has shown that before slow-cooling the hydrogen content in the rails was very low,since the maximum was 2.4 ppm,the minimum only 0.6 ppm and the even 1.3 ppm. The maximum distribution of the statistical frequency varied from 1.0 ppm to 1.5 ppm,The removing hydrogen from the low hydrogen steel rail by slow-cooling was hardly effective.
     结果表明:攀钢重轨缓冷前氢含量就很低,最高2.4ppm,最低仅0.6ppm,平均值为1.3ppm,最高统计分布频率在1.0~1.5ppm间。
短句来源
     Study of Slow-Cooling Process of Nickel Chromium Steel Slab by Simulation
     镍铬钢钢坯缓冷工艺的模拟研究
短句来源
     The IHT virtually and evidently eliminate the temper embrit- tlement due to slow-cooling applied to high tempering of 40CrNi and 30CrMnSiA steels, and has no obvious influence on the temper embrittlement due to isothermal procedure.
     亚温淬火明显抑制了40CrNi和30CrMnsiA钢的回火缓冷脆化,对回火等温脆化影响不大。
短句来源
     The furnace unit is consisted of a hydrogen supply source, a high temperature pit furnace, a furnace pot, a slow-cooling furnace, and a quench tank.
     采用该方案制作的氢气退火炉由气源部分、井式高温炉、炉罐、缓冷炉和急冷槽组成.
短句来源
     Considering the merits and demerits of quick-cooking and slow-cooling respectively after sintering, we worked out a more reasonable process for the production of W-Ni-Fe alloys.
     考虑了快冷与缓冷各自的利弊,为W-Ni-Fe合金的生产提出了一个较合理的制度。
短句来源
更多       
  slowly cooling
     The annealing process shall be 820 ℃ for 6 hours heat preservation with furnace slowly cooling to reach the purpose of softening anneal and hardness reduction.
     在820℃保温6h退火,并随炉缓冷可达到软化退火、降低硬度的目的。
短句来源
     Analysis and amelioration of numerical control system designed for discharge facilities in slowly cooling section
     缓冷工段卸料装置数控系统的分析与改进
短句来源
     Simultaneously, we expatiated that the later-heat-treatment(slowly cooling down to 200-250C after welding and then keep temperature for 2~4 hours) is in the favor of abating and eliminating the weld flaws, and this is very important to improve the weld microstructure and the mechanical properties of weld tie-in.
     同时还阐述了后热处理对减小或消除延迟裂纹有利,异种钢焊后缓冷至200~250℃时,再保温2~4小时,对控制延迟裂纹,改善接头组织,提高接头力学性能是十分重要的。
短句来源
     From the stress point of view, the reasons for cracking in various production stages was analyzed, according to which the soaking process was improved, and the concrete measures to decrease crack reject during rolling, slowly cooling and grinding was suggested.
     从应力角度分析了加工车间H13钢锭生产过程各主要工序可能产生裂纹的成因 ,在此基础上改进了均热工艺 ,并提出了轧制、缓冷及修磨等工序降低裂纹废品的具体措施。
短句来源
  delayed cooling
     STUDY AND IMPLEMENTATION OF REVAMP PLAN FOR DELAYED COOLING PIT
     缓冷坑改造方案的研究与实施
短句来源
     The heat engineering state of the delayed cooling pit in the Blooming Mill is diagnosed according to the technical requirements of annealing treatment on the die steel and the practical condtions of the equipments in the Blooming Mill.
     根据初轧模具钢轧制后退火处理的技术要求以及初轧厂现有的设备条件 ,对初轧缓冷坑热工状态进行了诊断 ;
短句来源
     In light of the problems existing in the delayed cooling pit a revamp plan is specifically drawn up.
     针对缓冷坑存在的问题进行了研讨 ,制订了具体的改造方案 ;
短句来源

 

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      slow cooling
    Transparent K2Ni(SO4)2 · 6H2O, K2Co(SO4)2 · 6H2O, and (NH4)2Ni(SO4)2 · 6H2O crystals (35-55) × (25-40) × 10 mm in size are grown on seeds by the method of slow cooling.
          
    Single crystals of the first type are obtained by slow cooling (the synthesis time is 90-105 h).
          
    A rhombic superlattice prevails in single crystals obtained by slow cooling in the lanthanum concentration range x = 0.3-0.5, while a monoclinic superlattice dominates in the range x = 0.75-0.85.
          
    Slow cooling results in the formation of a face-centered cubic structure, whereas fast cooling, according to the data obtained in 40% of the simulation experiments, leads to the formation of an icosahedral structure.
          
    Slow cooling results predominantly in the formation of a face-centered cubic structure, whereas rapid cooling in the majority of cases leads to the formation of an icosahedral structure.
          
    更多          
      slow-cooling
    With the incorporation of a slow-cooling step, survival was generally much higher than that obtained after rapid freezing alone.
          
    the slow-cooling procedure with PGD as cryoprotectant, was used.
          
    Following a programmed slow-cooling, the cells were thawed in a 40° C bath and could be recovered directly when added to fresh liquid medium.
          
    Loss of viability during freeze-thaw of intact and adherent human embryonic stem cells with conventional slow-cooling protocols
          
    Conventional slow-cooling protocols utilizing standard cryoprotectant concentrations i.e.
          
    更多          
      slowly cooling
    Bright blue crystals with a volume of about 1 cm3 were grown by the method of spontaneous crystallization while slowly cooling the melt.
          
    Single crystals of bismuth oxoborate Bi4B2O9 have been grown by slowly cooling the melt of a stoichiometric Bi2O3 + H3BO3 mixture.
          
    The unique sulfide mineral assemblage of the Lengenbach deposit can be ascribed to fractional crystallization in a slowly cooling melt-aqueous fluid system during Alpine uplift.
          
    Single crystals were grown via slowly cooling of the samples.
          
    It is called "simulated annealing" in analogy with the physical process of slowly cooling a system to take it to its ground state.
          
    更多          
      retarded cooling
    Influence of retarded cooling from the temperatures of the γ-area on the structure and mechanical properties of KhN62BMKTYu high
          
    1.Annealing of weld joints of 12KhGDAF steel with retarded cooling (110°C/h) leads to a significant increase in the stable fatigue crack growth rate both in the base metal and in the zone near the joint and the weld joint.
          
      其他


    The effect of hot working on the graphite formation in 1.1—1.2% carbon toolsteels during subsequent annealing was investigated.Specimens were heated in air to1050℃ for 10 minutes,cooled in a second furnace to the forging temperature,forged rapidly to give reductions in height between 0—40%,air-cooled,and annealed for16 hours at 700℃.Graphite was determined by chemical analysis.It was foundthat:1.Austenitizing in air between 870°and 1050℃ followed by air cooling causedthe formation of graphite during subsequent...

    The effect of hot working on the graphite formation in 1.1—1.2% carbon toolsteels during subsequent annealing was investigated.Specimens were heated in air to1050℃ for 10 minutes,cooled in a second furnace to the forging temperature,forged rapidly to give reductions in height between 0—40%,air-cooled,and annealed for16 hours at 700℃.Graphite was determined by chemical analysis.It was foundthat:1.Austenitizing in air between 870°and 1050℃ followed by air cooling causedthe formation of graphite during subsequent annealing.The amount of graphiteincreased with increasing austenitizing temperature.Precipitation of graphite occurredalong the austenite grain boundary.2.Hot working at various temperatures increased the tendency of graphitizationduring subsequent annealing.The amount of graphite formed was smallest whenthe specimens were forged at 870℃ and increased with increasing or decreasingtemperature.3.Slow cooling after the specimens had been heated to or hot worked at hightemperatures reduced the degree of graphitization,provided that free cementite wasabsent during hot working.4.Forging during continuous cooling removed the effect of previous heatingor hot working until the temperature was sufficiently low to produce free cementiteduring forging.Forging during cooling gave minimum amount of graphite whenthe forging was interrupted between 820°and 870℃.A possible explanation to account for the phenomena is suggested.

    在热加工过程中,加热及加工温度对1.1—1.2%碳钢在加热或加工后空冷再进行球化退火时,渗碳体分解为石墨的作用有重要的影响。在奥氏体状态870℃以上,停止加工的温度愈高,以后石墨的析出作用也愈严重。高温加工后缓冷或在低温加工可以减轻石墨化的作用。

    A phase diagram of silver rich alloys of the ternary system of Ag-Sb-Sn was eonsruoted on the basis of the data obtained by x-ray analysis and metallographic examinations. The phase diagram obtaineel oonsits of three single-phase's, namily a, (3 and r whieh are just the phases existing in the binary systems of both Ag-sb and Ag-sn. Furthermore, the three singlephase's subdivide the phase diagram into five domains

    银锑锡三元系富银合金缓冷至室温后的组织图,已经用X射线和金相两种方法测定了出来,并且每一相区的相边介都经过用X射线方法作精密确定. 相图中主要是由三个单相α,β,和γ所构成,并由这三个相把组织图分为五个相区. 在相图中没有发现新的相出现,所有的相与银-锑系和银-锡系完全符合.

    A thorough investigation of the Cu-Au system has been taken by means of X-ray diffraction studies. Alloys were annealed at appropriate temperatures for different periods (one month, three months, six months and one year) and slowly cooled down to room temperature, or quenched at 300° and 600℃, with the purpose to elucidate the phases and the phase transformations that might occur. Lattice parameters were accurately determined in order to study their variations with compositions and heattreatments. The stacking...

    A thorough investigation of the Cu-Au system has been taken by means of X-ray diffraction studies. Alloys were annealed at appropriate temperatures for different periods (one month, three months, six months and one year) and slowly cooled down to room temperature, or quenched at 300° and 600℃, with the purpose to elucidate the phases and the phase transformations that might occur. Lattice parameters were accurately determined in order to study their variations with compositions and heattreatments. The stacking periods of the ordered structures with long periods were investigated, particularly in their relations to compositions and temperatures, and by means of quenching alloys after having been annealed for various periods of time, the ordering process near the equiatomic composition was studied.

    本文用X射线衍射的方法全面地研究了Cu-Au二元系合金经不同时间(一个月、三个月、六个月、一年)熟炼后缓冷到室温,以及在300℃和600℃淬炼后的物相与相转变过程;精确地测定了点阵间隔,以研究其随成份和热处理的变迁;探讨了长周期超结构的堆垜周期同成份和温度的关系;并用保持不同热处理时间后淬炼的方法来研究等原子成份处的有序化过程。 在上述的热处理条件下,整个二元系共出现了六种不同的相:α_1是Au在Cu中的固溶体,α_1~′是相当于Cu_3Au的超结构,α_2是Cu在Au中的固溶体,α_2~′是相当于CuAu_3的超结构,k是相当于CuAuⅠ的超结构,k′是相当于CuAuⅡ的超结构。值得注意的是,随着热处理时间的加长,有序区逐渐扩大,二相区逐渐缩小,在一年缓冷的合金,二相区几乎完全消失。因此作者认为:Cu-Au系的二相共存是处于介稳状态,以α_2~′相而论,最清晰的超结构线并不出现在化学计量成份而在68at.%Au。在等原子成份两边所出现的k′相,当合金经一年熟炼之后,一部分又变成了k相,在等原子成份处,k相和k′相的最高转变温度都并不恰好在等原子成份,而在于或小于49at.%Au。 点...

    本文用X射线衍射的方法全面地研究了Cu-Au二元系合金经不同时间(一个月、三个月、六个月、一年)熟炼后缓冷到室温,以及在300℃和600℃淬炼后的物相与相转变过程;精确地测定了点阵间隔,以研究其随成份和热处理的变迁;探讨了长周期超结构的堆垜周期同成份和温度的关系;并用保持不同热处理时间后淬炼的方法来研究等原子成份处的有序化过程。 在上述的热处理条件下,整个二元系共出现了六种不同的相:α_1是Au在Cu中的固溶体,α_1~′是相当于Cu_3Au的超结构,α_2是Cu在Au中的固溶体,α_2~′是相当于CuAu_3的超结构,k是相当于CuAuⅠ的超结构,k′是相当于CuAuⅡ的超结构。值得注意的是,随着热处理时间的加长,有序区逐渐扩大,二相区逐渐缩小,在一年缓冷的合金,二相区几乎完全消失。因此作者认为:Cu-Au系的二相共存是处于介稳状态,以α_2~′相而论,最清晰的超结构线并不出现在化学计量成份而在68at.%Au。在等原子成份两边所出现的k′相,当合金经一年熟炼之后,一部分又变成了k相,在等原子成份处,k相和k′相的最高转变温度都并不恰好在等原子成份,而在于或小于49at.%Au。 点阵间隔的量度表明:基本单胞平均点阵间隔同成份的关系是正偏离Vegard定律的连续曲线。在α和α′相区内,α值随Au含量而递增。在Au含量小于等

     
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