淬火组织经回火后,相变再结晶温度有所降低。
After tempering, structure inheritance reduces, the recrystallization temperature reduces.
研究了电场奥氏体化对低碳钢的淬火组织的影响。
Study on the Plasma Arc Welding Technology of Austenite Stainless Steel Parts;
结果表明,该钢退火状态存在四种类型碳化物,淬火组织以板条马氏作为主。
The results show that there are four kinds of carbides in annealed state of the steel, and major portion of quenched martensite is lath-like martensite.
结果表明:直接淬火工艺的淬火组织为板条马氏体和孪晶马氏体共存,且孪晶马氏体的含量较多。
The results show that the quenching microstructure of direct quenching technology consists of lath and twin martensites, and the amount of the latter is more.
淬火组织中马氏体与残余奥氏体的成分不均匀及磨削用量参数选择不当是导致裂纹出现的主要原因。
Uneven components of quenched martensite and residual austenite structure and improper grinding parameter are attributed to the main causes for cracks.
根据试样任意一点的温度和冷却速度对该点的组织进行预测,实现了T8钢淬火组织的计算机模拟。
According to the temperature and rate of cooling, microstructure forecast is carried out, computer simulation of quenching microstructure of T8 steel is accomplished.
研究了轧辊的预备热处理工艺对感应加热淬火组织的影响,感应加热温度和时间对组织和硬度的影响。
The effect of preheating treatment process of cold rolls on induction heat quenched structures and the effect of heating temperature and time on structure and hardness have been studied.
淬火裂纹的组织特征是裂纹两侧无脱碳现象,明显区别与锻造裂纹和材料裂纹。
Quenching crack propagation characteristics of the organizations on both sides without decarburization phenomenon significant difference between crack and materials and forging cracks.
结果表明:由于焊接电流过大,使焊缝产生淬火马氏体组织及较大的焊接残余应力,导致镀锌氢脆敏感性增加,造成吸油盘发生氢脆开裂。
The large welding current caused the formation of quenched martensite and the high residual stresses in the welding zone, resulting in the increase of zinc sensitivity of hydrogen attack.
通过四种不同的分步淬火热处理工艺,相应地获得了四种不同组织的双相钢。
Four kinds of dual-phase steel with different morphology were developed by means of step quenching treatment routes.
局部淬火处理的齿轮具备比心部组织硬度高的表面硬度。
The case hardening process results in gears that have much harder surfaces than cores.
文中着重模拟预测了它们的三维淬火瞬态温度场、相组织场及硬度场等。
This article puts emphasis on predicting the three-dimensional fields of transient quenching temperature, phase change and hardness of the try mentioned above.
研究了淬火温度和回火温度对ZG310- 510铸钢组织和力学性能的影响。
The Influence of quenching temperature and tempering temperature on mechanical properties and microstructure of ZG310-510 cast steel was studied.
原始材料的组织状态为形变马氏体、淬火马氏体及残余奥氏体。
The original structure consists of deformation induced martensite, quenching martensite and retained austenite.
对20钢进行不同强度交流磁场下的临界区淬火处理,观察相变后的组织。
To quench 20 steel in critical zone under different intensity alternation magnetic field and to observe the microstructure after phase transformation.
次层为淬火马氏体组织;
研究了热处理工艺(包括均匀化处理、淬火方式和人工时效等)对6063铝合金组织和力学性能的影响。
The effect of heat treatment(including homogenizing treatment, quenching method and artificial aging)on the structure and mechanical property of 6063 aluminum alloy was studied.
研究发现,原材料的带状组织和淬火工艺的不合理是造成锯片基体淬火变形的两个主要原因。
Our study was found that two main reasons making the circular saw blades matrix distortion in quenching were banded structure and the unreasonable quenching process.
研究了淬火、双级时效工艺参数对7475厚板组织、性能的影响。
The influences of the quenching and dual aging process on the structure and properties of 7475 alloy plates are studied.
研究了淬火温度、淬火冷却方式和回火温度对高铬铸铁轧辊组织和性能的影响。
The influences of quenching temperature, cooling pattern and temper temperature on the structures and properties of high chromium cast iron roll were investigated.
淬火过程是典型的温度-组织转变-应力耦合的过程,准确模拟淬火过程十分困难。
For quenching processes are typical temperature - phase transformation - stress coupled processes, it is quite difficult to precisely predict the processes.
研究了硅铬白口铸铁不同组织、不同含硅量、不同淬火加热温度及冷却速度对其耐磨粒磨损性能的影响。
The influences of different microstructure, silicon content, quenching temperature and cooling rate of the SiCr white cast iron on its abrasive wear performance were investigated.
介绍了固溶处理温度、淬火到时效间隔时间及时效制度等对2A70铝合金预拉伸厚板组织和性能的影响;
The effect of quenching temperature, the interval time from quenching to aging and aging institution to 2A70 aluminium alloy pre-stretching plate structure and properties are introduced.
利用高碳钢淬火试样及淬火后充氢试样的拉伸试验,研究了高碳钢淬硬组织对氢和应力的敏感性。
The sensibility of the harden structure of high carbon steel to hydrogen and stress is researched through the tensile test of quenched specimens and charging hydrogen specimens after quenching.
淬火态组织为马氏体、碳化物和奥氏体,淬火三次回火态组织为马氏体和碳化物。
The microstructure of quenching are martensite, carbide and retained austenite, and are martensite and carbide by quenching and three times tempering.
介绍了激光淬火,激光熔凝,激光表面合金化等材料表面改性技术及其组织和性能;综述了智能涂层的特点及研究进展。
Laser quenching, laser cladding and laser surface alloying, as well as microstructure and properties were presented. The properties and research progress of intelligent coating were reviewed.
研究表明:硼共晶组织经淬火后,具有优良的抗磨粒磨损性能。
Study shows that quenched boron eutectic structure possesses the excellent wear abrasion property.
通过对淬火试件进行金相组织分析和残余应力测量,验证了数值模拟的可行性。
Through the microstructure analysis and residual stress measurement on a quenching test-piece, the feasibility of the numerical simulation is proved.
通过对淬火试件进行金相组织分析和残余应力测量,验证了数值模拟的可行性。
Through the microstructure analysis and residual stress measurement on a quenching test-piece, the feasibility of the numerical simulation is proved.
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