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thermal fatigue cracking
相关语句
  热疲劳裂纹
     Study on Characteristic of Thermal Fatigue Cracking Damage of Wheel Casting Steel
     车轮铸钢热疲劳裂纹损伤行为研究
短句来源
     Using HM 100 high temperature microscope,the initiation and propogation of thermal fatigue cracking of high chromium nickel alloyed white cast irons are viewed by means of simulating experiment The results show that the initiation and propogation of thermal fatigue cracking of this kind of iron with austenite and M 23 C 6 are mainly at the interface,and the fracture of the thermal fatigue is of mixed type The thermal fatigue resistance decreases with the increase of content of carbon
     用HM-100型高温金相显微镜,通过模拟热疲劳的实验方法,动态观察了高铬镍合金白口铸铁热疲劳裂纹的萌生及扩展过程.实验表明:组织为奥氏体加M23C6型碳化物的高铬镍合金白口铸铁热疲劳裂纹主要沿晶界萌生扩展,热疲劳断口为混合型断口.增加含碳量则降低高铬镍合金白口铸铁的热疲劳抗力.
短句来源
     The growing process of thermal fatigue cracking in 3Cr2W8V steel was observed under desk SEM fitted with self-made minisized device for thermal fatigue test. Before growing of thermal fatigue crack, the main crack tip reveals to blunt firstly, and some holes and uncontinuous microcracks occur in front of it. The growth is developed by bridging of main crack together with holes and microcracks.
     在TS-2型台式扫描电子显微镜中,装入自制的微型热疲劳试验装置,观察了3Cr2W8V钢热疲劳裂纹长大过程,结果表明:热疲劳裂纹长大前,主裂纹尖端首先钝化,在其前方出现孔洞或不连续微裂纹,热疲劳裂纹的长大通过主裂纹与孔洞及微裂之间的桥接方式进行。
短句来源
     The results show that in the range of short crack, the fibres play an important role in thermal fatigue cracking, but the crack propagation rate of composites is much larger than that of the matrix alloy.
     研究结果显示 ,短裂纹扩展阶段 ,热疲劳裂纹与增强体纤维有明显的交互作用 ; 但复合材料的热疲劳短裂纹扩展速率比基体合金的大。
短句来源
     Because holding parts which supports water wall tube restrain free expansion and contraction, thus stress increases resulting thermal fatigue cracking on weaker position.
     因固定水冷壁膜片的拉筋拘束了水冷壁管自由膨胀与收缩,致使应力增大,导致在薄弱位置萌生热疲劳裂纹
短句来源
  “thermal fatigue cracking”译为未确定词的双语例句
     Dynamic Observation of Thermal Fatigue Cracking of High Chromium Nickel Alloyed White Cast Irons
     高铬镍合金白口铸铁热疲劳断裂过程的动态观察
短句来源
     The thermal fatigue behavior of Ti(C,N) based cermet and 3Cr2W8V steel were studied by thermal fatigue cracking simulation test.
     采用热疲劳龟裂网纹模拟法,定性地研究了无钴Ti(C,N)基金陶瓷与3Cr2W8V钢的热疲劳行为差异.
短句来源
     At the end of this paper,the thermal fatigue cracking tendency has been measured for different kindof brake shoes ,proving that both the crack number and crack size on friction surface of the brakeshoes ma de of phosphorous compacted graphite cast ir on was obviously diminished compa red withthat of high phosphorous greyiron,and was about the same as that of the medium phosphorous greyiron,thus,it can be concluded that phosphorous compacted graphite cast ir on brake shoes can guardthe safe running of the vehicle.
     在同车对比运行试验以后,含磷蠕墨铸铁闸瓦摩擦表面的裂纹数量和尺寸都远比高磷灰铸铁闸瓦摩擦表面的小,而与中磷灰铸铁闸瓦摩擦表面的相当,可见使用含磷蠕墨铸铁闸瓦能够保证车辆安全运行。
短句来源
     The failure of brake drum was caused by thermal fatigue cracking. By adopting proper chemical composition to improve its thermal conductivity and structure stability with the purpose to increase its heat-resistant fatigue property the working life of the brake drum could be largely pro-longed.
     刹车鼓的失效原因属于热疲劳开裂,通过选择合适的化学成分来提高其热传导和增强组织的稳定性以提高其抗热疲劳性能,可以大幅度地提高刹车鼓的使用寿命。
短句来源
     The writer concludes that the frictional wear,caused by the relative sliding of the roller and the steel molds,and the thermal fatigue,caused by the repeatedly heating and cooling of the roller surface,are the main reasons causing the abrasion of the roller,and that the crackle is the thermal fatigue cracking caused by thermal stress.
     针对成形辊的服役环境,这里对成形辊的开裂和磨损原因进行了分析,认为成形辊与管坯相对滑动而引起的摩擦磨损、成形辊表面被反复加热和冷却而引起的热疲劳是引起成形辊磨损的主要原因。
短句来源
  相似匹配句对
     Fatigue.
     Fatigue预测各种材料全瓷冠的失效概率。
短句来源
     Thermal Fatigue of Ingot Mould
     钢锭模的热疲劳
短句来源
     FATIGUE.
     FATIGUE来对桥式起重机进行疲劳寿命估算的方法。
短句来源
     Thermal Fatigue Resistance Electrodeposited Layers
     耐热疲劳性镀层的研究
短句来源
     On the control of building cracking
     房屋建筑裂缝的预防
短句来源
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  thermal fatigue cracking
The deformation leads to short mold life because of thermal fatigue cracking of the mold.
      
Besides, dynamic recrystallization of the ferrite matrix suppresses the initiation and propagation of thermal fatigue cracking.
      
When thermal fatigue cracking occurs, the cracks always initiate at the surface of the specimen.
      
Experimental results indicate that the thermal fatigue cracking resistance of high-silicon SG cast iron decreases with increasing residual magnesium content.
      
This study investigates the thermal fatigue cracking behavior of high-silicon spheroidal graphite (SG) cast iron.
      
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The growing process of thermal fatigue cracking in 3Cr2W8V steel was observed under desk SEM fitted with self-made minisized device for thermal fatigue test. Before growing of thermal fatigue crack, the main crack tip reveals to blunt firstly, and some holes and uncontinuous microcracks occur in front of it. The growth is developed by bridging of main crack together with holes and microcracks.

在TS-2型台式扫描电子显微镜中,装入自制的微型热疲劳试验装置,观察了3Cr2W8V钢热疲劳裂纹长大过程,结果表明:热疲劳裂纹长大前,主裂纹尖端首先钝化,在其前方出现孔洞或不连续微裂纹,热疲劳裂纹的长大通过主裂纹与孔洞及微裂之间的桥接方式进行。

Since the development of railway transportation is towards the heavy duty and highspeed,the research and application of compacted graphite cast iron,which possesses the beSt thermalfatigue resistance,in railroad brake shoes composition has been done by many investigators.Yetthose research reports mainly dealt with the wear resista nce and little attention was paid to frictioncoefficient. Thus,using phosphorous compacted graphite cast irons as the testing materials,theinvestigations in this paper were systematically...

Since the development of railway transportation is towards the heavy duty and highspeed,the research and application of compacted graphite cast iron,which possesses the beSt thermalfatigue resistance,in railroad brake shoes composition has been done by many investigators.Yetthose research reports mainly dealt with the wear resista nce and little attention was paid to frictioncoefficient. Thus,using phosphorous compacted graphite cast irons as the testing materials,theinvestigations in this paper were systematically made on the effects of gra phite morphologies andphosphorous additions on the tribological properties in cast iron;then,based on the material'sinvestigation, the tribological properties of brake shoe s under practical working condition weremeasured.The experimental results have indicated that the compa cted graphite cast iron possessesthe best combination of wear resistance and friction coefficie nt among the different graphitemorphologies tested,thus,it is the suitable selection to making brake shoes.With the increase inphosphorous addition in compacted graphite cast iron,the friction coefficient greatly increases wtulethe wear loss obviously decreases,at the same time, the brake sparking properties were improved.The brake shoes tribological property investigations show that the material investigation is reliable.At the end of this paper,the thermal fatigue cracking tendency has been measured for different kindof brake shoes ,proving that both the crack number and crack size on friction surface of the brakeshoes ma de of phosphorous compacted graphite cast ir on was obviously diminished compa red withthat of high phosphorous greyiron,and was about the same as that of the medium phosphorous greyiron,thus,it can be concluded that phosphorous compacted graphite cast ir on brake shoes can guardthe safe running of the vehicle.

随着铁路车辆向高速和重载方向发展,人们开展了抗热疲劳剥落能力优异的蠕墨铸铁在火车刹车闸盘上的应用研究。然而研究内容只涉及其耐磨性,在摩擦性能方面还很少有研究成果公开发表。因此,以含磷蠕墨铸铁为研究对象,系统地考察了石墨形态和磷含量变化对材料摩擦磨损性能的影响,并且依据研究结果制造火车闸瓦进行了实际装车使用性能的试验研究。结果表明,在给定的试验条件下于几种不同形态石墨的铸铁中,蠕墨铸铁既有优良的耐磨性,又有高的摩擦系数,故其是适合制造铁道车辆闸瓦的材料之一;随着磷含量的提高,蠕墨铸铁的摩擦系数快速增大,而磨损量则明显减小,而且蠕墨铸铁闸瓦的制动火花性能也明显改善;在同车对比运行试验以后,含磷蠕墨铸铁闸瓦摩擦表面的裂纹数量和尺寸都远比高磷灰铸铁闸瓦摩擦表面的小,而与中磷灰铸铁闸瓦摩擦表面的相当,可见使用含磷蠕墨铸铁闸瓦能够保证车辆安全运行。

Using HM 100 high temperature microscope,the initiation and propogation of thermal fatigue cracking of high chromium nickel alloyed white cast irons are viewed by means of simulating experiment The results show that the initiation and propogation of thermal fatigue cracking of this kind of iron with austenite and M 23 C 6 are mainly at the interface,and the fracture of the thermal fatigue is of mixed type The thermal fatigue resistance decreases with the increase...

Using HM 100 high temperature microscope,the initiation and propogation of thermal fatigue cracking of high chromium nickel alloyed white cast irons are viewed by means of simulating experiment The results show that the initiation and propogation of thermal fatigue cracking of this kind of iron with austenite and M 23 C 6 are mainly at the interface,and the fracture of the thermal fatigue is of mixed type The thermal fatigue resistance decreases with the increase of content of carbon

用HM-100型高温金相显微镜,通过模拟热疲劳的实验方法,动态观察了高铬镍合金白口铸铁热疲劳裂纹的萌生及扩展过程.实验表明:组织为奥氏体加M23C6型碳化物的高铬镍合金白口铸铁热疲劳裂纹主要沿晶界萌生扩展,热疲劳断口为混合型断口.增加含碳量则降低高铬镍合金白口铸铁的热疲劳抗力.

 
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