• Proper Sr addition can improve effectively the hot-crack resistantnce of Ca-containing Mg alloy.

    适量加入有效地提高合金抗热裂性能

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  • Influence of Die Casting Process on Hot-crack and its formation mechanism of AM60B alloy are discussed.

    分析AM 60 B合金热裂纹形成机制,讨论了压铸工艺AM 60 B合金热裂纹的影响

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  • The Mother Birch had hardly spoken these words than a terrible, deafening crack shook the air, and a sharp, hot tongue of lightning landed right on her trunk.

    话音空中响起了剧烈的、可怕的响声,闪电火舌正中她的树干

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  • Causes the steel to produce the hot brittleness, reduces the steel the ductility and the toughness, when forging and rolling crack.

    使产生脆性降低延展性韧性锻造轧制时形成裂纹

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  • "I saw the POTS... Red-hot... And observed that they did not crack at all" (Daniel Defoe).

    看见缸子…又红又热…而且发现它们根本就不会破裂”(丹尼尔·狄佛)。

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  • In contact with a hot surface, naphtha petroleum fractions crack to produce ethylene and propylene.

    石脑油馏份一个表面接角,就裂解而得到乙烯和丙烯。

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  • It will get very hot so use something that wont break or crack from the heat generated.

    变得非常打破习惯使用东西裂纹的热生成的。

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  • The main defects of laser spot welding of aluminum are crater, hot crack and porosity which created by oxide film and keyhole instability,.

    焊点存在主要缺陷气孔,表面下塌,裂纹,其中气孔主要为氧化气孔和匙孔不稳定形成的气孔。

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  • The residual deleterious elements in steel lead to products occurring red brittleness surface crack and temper brittleness, and lead to hot strength of heat resistant steel decreasing.

    中的残余有害元素致使钢材产生脆性表面裂纹具有回火脆性倾向,使耐热降低

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  • By strictly clearing up weld zone, improving welding material's purity, strengthening molten pool's shield and controlling energy input etc measures, weld zone's hot crack and blowhole were prevented.

    采取严格清理焊接、高纯净度保护控制线能量措施消除了蒙乃尔合金焊接中的气孔裂纹,保证了产品焊接质量。

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  • The residual deleterious elements in steel lead to the products occurring red surface brittleness crack and temper brittleness, and lead to the hot strength of heat resistant steel decreasing.

    中的残余有害元素致使钢材产生脆性表面裂纹具有回火脆性倾向,使耐热降低

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  • The fracture dynamics is always the hot point of the research of the fracture mechanics, and the study on the crack is especially so.

    断裂动力学研究一直断裂力学中的一个热点裂纹问题更是其中一个热点所在。

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  • Because of containing more sulfur and phosphorus in the steel, and more carbon, high hardness in material of surfacing welding, the pinch roller often turns up hot crack.

    夹送堆焊时,由于母材含量较高堆焊材料含碳量高、硬度大,常常产生热裂纹。

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  • In this paper, the creep compliance of Hot-plate welded joint of PE80 pipe is measured, and the effect of creep on the crack tip stress field in the weld is investigated.

    本文测定了燃气用PE80管材热板焊接接头变柔量,研究了蠕变焊缝应力场影响

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  • In the paper, the hot crack for the forging die made by methods of squeeze casting is analyzed, how to reduce the hot crack is also given out.

    从生产实际出发,分析锻模液态模锻成形过程中裂纹形成主要原因,提出了降低锻模热裂纹的几点措。

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  • The critical value of hot crack has been obtained according to the experiments on test casting, and it had been used on predicting the hot crack of bolster and side bearer.

    试验基础得到铸件裂纹倾向临界值,进而实现架的热裂纹预测

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  • The casting powder reduces hot crack trend of magnesium aluminum alloy castings.

    保护减少了镁合金铸件倾向

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  • Hot crack numerical simulation has been handled by 'solidification-feeding' model based on temperature field.

    本文使用基于温度场的凝固补缩模型来进行裂纹数值模拟

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  • Through the pipe sample cutting and analyzing the crack in the fillet weld between the hot reheat pipe and the warming pipe, it was found out that the cause of the crack is due to the thermal fatigue.

    通过再热热段至低旁暖管管道焊缝裂纹解剖分析,原因疲劳裂纹引起

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  • The experiment of paddy crack additional percentage (CAP) subject to various drying condition (drying conditions) including hot air temperature , relative humidity and drying time was done.

    各种干燥条件下包括空气温度湿度、干燥时间进行水稻爆腰试验

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  • Polyethylene waxes for Hot Melt Adhesive: These waxes can be divided into three kinds with synthetic grade and crack grade and polyethylene wax by-product in accordance with material source.

    热熔胶用聚乙烯系列:系列产品原料来源不同分为合成裂解聚乙烯副产品三个等级。

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  • The results show that the surface longitudinal crack of hot-roll Q345B medium plate is caused by inclusion and surface longitudinal crack of slab.

    结果表明,热轧Q 345 B中厚表面裂纹由于铸坯中存在夹杂物铸坯纵裂引起

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  • The reasons of hot cracking susceptibility are analyzed through electronic-scanning, electronic-probing and energyspectrometric methods on the patterns of fracture surface of hot crack and base metal.

    利用扫描、电子探针能谱分析技术,母材、裂纹断口形貌等方面分析了8090合金热裂纹敏感性高原因

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  • Taken the hot-forming punch of a glass part as an example, the main defects of hot- forming punch is explained, including punch crack and punch wound.

    玻璃制件成形说明成形凸模主要缺陷:凸模裂纹凸模

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  • According to this, the formation mechanism on hot charging process crack of steel ingot is concluded, thus offering a theoretical basis for preventing hot charging process crack in production.

    基础上分析钢锭红送裂纹形成机理,为生产中防止产生红送裂纹提供理论依据。

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  • The cold-bended crack in the hot rolled plate Q345 can be eliminated by adoption of heating-cold bending process as well as improvement of the cleanliness of the steel.

    采用加热-工艺提高纯洁度避免Q 345热轧钢板裂纹产生。

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  • The present paper systematically checks and examines as well as analyzes causes to the cold-bended crack in the hot rolled steel plate Q345 by microscope, X-ray and Electron Probe Micro-analyzer.

    利用金相显微镜X射线衍射仪电子探针对Q 345热轧钢板因冷弯产生裂纹进行了系统检验分析

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  • There are many influence factors on producing crack of hot rolled strip coil during roll forming.

    导致热轧开裂原因很多

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  • Meanwhile the cooling system is at work. The engine gets awfully hot with all those explosion taking place in it. If it were not being cooled all the time, the parts would crack or melt together.

    与此同时冷却系统工作由于发动机发生了爆炸变得发烫,随时加以冷却零部件就会爆裂或者熔化在一起。

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  • This article recommends a local noncontact method to remedy the surface crack on the backup roll of the hot rolling mill.

    本文介绍了用局部不接触修复轧机支承表面裂纹方法。

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