The results show that heat treatment distortion of domestic gear steel reach to the level of the German gear steel by means of controlling gear steel hardenability band, grain size and reducing oxygen and inclusion content as well as isothermal annealing with extra-heat after forging instead of reheat normalizing.
实验表明，通过采取控制齿轮钢淬透性带宽和晶粒度，降低氧和夹杂物含量，用锻后余热等温退火代替二次加热正火等措施，国产齿轮的热处理畸变可达到德国齿轮水平。
The results show that the joint can be strengthened through near isothermal forging and gradient heat treatment.
结果表明：近等温锻造+梯度热处理能使焊接接头得到强化。
The microstructure and morphology of matrix steel (6422) cutter with continuous cooling and isothermal cooling heat treatment were studied.
分析了基体钢(6422钢)滚刀实体分别经连续冷却和等温冷却热处理后的显微组织和形貌。
It's consists of furnace body, stainless steel crucible, electrically multiple swinging material frame, stainless steel fast cooling package, galvanothermy unit and the automatical control temperature tank, can use the different impregnant, carry through part quenching, tempering heating, isothermal quenchcooling, liquid chemical heat treatment and so on many kinds of technics, the furnace body is welded by profiled bar and armor plate, the surface of furnace is made of δ=14mm board, the nitre salt furnace lining from ultralight high-strength 0.6g/cm3 micro bead refractory brick, clamp stratificationfilled with aluminum silicate fiber, the middle of furnace lining and furnace shell filled with expanded heat preservation powder, the entire structure is the standard energy-saving furnace lining, according to the average temperature cloth silk law, the nitre salt furnace's heating element uses the
由炉体、不锈钢坩锅、电动往复式摆动料架、不锈钢速冷包、电热元件和自动控温柜组成，可以使用不同溶剂，进行零件淬火、回火加热、等温淬火冷却，液体化学热处理等多种工艺，炉体由型钢和钢板焊接而成，炉面采用δ=14mm板制成，硝盐炉衬采用超轻质高强度0.6g/cm3微珠耐火砖，夹层置硅酸铝纤维，炉衬与炉壳间填充保温膨胀保温粉，整个结构为标准型节能炉衬，硝盐炉的发热元件采用较粗直径0Cr25Al5高温电阻丝绕成螺旋状按照
The isothermal hardening furnace may exempt traditions and so on clean, tempering later period the heat treatment craft, reduces the technological process, after isothermal quench, the product quality is stable, the heat treatment performance enhances, the product nonoxidation, glossiness was good, ceases has clamped softly with the degree of hardness insufficient phenomenon, was the traditional network belt stove's update new product.
等温淬火炉可免去清洗、回火等传统后期热处理工艺，减少工艺过程，经等温淬火后，产品质量稳定，热处理性能提高，产品无氧化，光泽度好，杜绝了软夹和硬度不够现象，是传统网带炉的换代新产品。
The isothermal hardening furnace mayexempt traditions and so on clean, tempering later period the heat treatment craft, reduces the technological process, after isothermal quench, the product quality is stable, the heat treatment performance enhances, the product nonoxidation, glossiness was good, ceases has clamped softly with the degreeof hardness insufficient phenomenon, was the traditional network belt stove's update new product.
等温淬火炉可免去清洗、回火等传统后期热处理工艺，减少工艺过程，经等温淬火后，产品质量稳定，热处理性能提高，产品无氧化，光泽度好，杜绝了软夹和硬度不够现象，是传统网带炉的换代新产品。
The isothermal hardening furnace mayexempt traditions and so on clean, tempering later period the heat treatment craft, reduces the technological process, after isothermal quench, the product quality is stable, the heat treatment performance enhances, the product nonoxidation, glossiness was good, ceases has clamped softly with the degreeof hardness insufficient phenomenon, was the traditional network belt furance's update new product.
等温淬火炉可免去清洗、回火等传统后期热处理工艺，减少工艺过程，经等温淬火后，产品质量稳定，热处理性能提高，产品无氧化，光泽度好，杜绝了软夹和硬度不够现象，是传统网带炉的换代新产品。
The microstructure and grain size evolution of pure titanium welding joint during isothermal bending through the change of heat treatment parameters were investigated.
中文摘要：通过热处理工艺参数的变化，研究了变形的纯钛板接头组织及晶粒度变化规律。
Homogenization treatment of FGH95 alloy ingot was investigated by heat treatment and isothermal compression. The change of dendrite microstructure as well as composition was analyzed.
采用热处理和等温压缩两种工艺对FGH95合金铸锭的均匀化处理进行了研究，分析了FGH95合金铸锭均匀化处理前后的枝晶组织变化及微区成分变化。
According to austenite isothermal transformation diagram, a heat treatment process for producing the left and right pincers through fixed heating time and the position was put forward.
借助奥氏体等温转变曲线，创立了定时定位的热处理工艺方法，用于左右钳口的生产，一次达到设计要求，简便可靠，省时节能。
It can replace traditional isothermal anneal as advance heat treatment of roughcast of bearing rings.
可部分替代传统的等温退火作为轴承套圈毛坯的预先热处理。
It is Because the carbides precipitation during isothermal treatment and secondary heat treatment would increase both f_m and M_S.
在中温区等温和经二次加热处理，由于碳化物的析出，可增大f＿m和提高M＿s点。
The experiment results show that, isothermal heat treatment allows the secondary precipitation of the second phase dissolving in the matrix to be of bone-like distribution in the matrix surface.
实验结果表明，半固态等温热处理后，溶解于基体中的第二相二次析出，成鱼骨状分布于基体表面；
The effect of isothermal heat treatment on microstructure and mechanical properties of a medium-carbon ultra high strength spring steel (U) was studied.
研究了等温处理对中碳超高强度弹簧钢组织与力学性能的影响。
Influence of heat treatment on the microstructure and properties of TiCP/Fe composite by reactive synthesis at isothermal holding in liquid state was studied.
研究了热处理对液态等温反应合成的TiCp/Fe复合材料的组织和性能的影响。
The effects of isothermal heat treatment temperature and holding time on microstructure evolution of AZ80 magnesium alloy in semi-solid state have been studied.
研究了等温热处理温度和保温时间对铸态AZ80镁合金半固态组织演变的影响。
The structure evolution of AZ91D magnesium alloy and the modified AZ91D magnesium alloy during semi solid isothermal heat treatment was studied, and its transformation mechanism was also discussed.
研究了未变质处理和变质处理的AZ91D镁合金在半固态等温热处理过程中的组织演变，并对其组织演变机理进行了探讨。
The coarse lamellae of as casting TiAl alloy are broken by double isothermal compression (reduction in height above 70%) and refined after heat treatment, resulting in fine and homogeneous equiaxed γ grains.
通过两次等温变形（变形量70%以上）加中间热处理，破碎了粗大的铸态层片晶团，热处理后得到均匀的等轴γ细晶。
The isothermal transformation diagram (TTT) is an important basis to make a heat treatment process of steels.
TTT图是制定钢的热处理工艺的重要依据。
This article describes the design, smelting and rolling of the steel grade for banding, as well as the experiments and analysis results of lead bathing isothermal heat treatment by using heat treatment line of banding unit at Baoshan Iron and Steel (Group) Co.
按研制过程叙述捆带的钢种设计、冶炼、轧制及应用宝钢捆带机组热处理线铅浴等温热处理的试验及分析。