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high-temperature tensile
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  高温拉伸
     Research on High-temperature Tensile Strength of Modified K21 Superalloy
     改型K21合金高温拉伸强度研究
短句来源
     The microstructure and properties of TC4 alloy joints welded by the electron beam were investigated in this paper with room-temperature impact test, room-temperature tensile test, room-temperature notch tensile test, high-temperature tensile test, endurant tensile test, microhardness test and metallographic analysis.
     本课题通过室温冲击、室温拉伸、室温缺口拉伸、高温拉伸、持久拉伸及显微硬度等力学性能试验和金相显微组织分析、断口扫描分析等,对TC4钛合金电子束焊接接头的组织和力学性能进行了分析和研究。
短句来源
  高温持久
     It has been found that the high-temperature tensile strength and creep activation energy were increased when the binary-rare earth elements had been added into platinum.
     铂中加入双稀土元素后,其高温持久强度及蠕变断裂激活能得到很大提高。
短句来源
  “high-temperature tensile”译为未确定词的双语例句
     High-temperature tensile test shows that superplasticity is excellent at 800℃ by strain rate of 2.5×10-4 s-1,and the extensibility is up to 216%.
     高温拉伸试验表明,在2.5×10-4s-1的应变速率下,800℃时伸长率高达216%,获得很好的超塑性。
短句来源
     Based on the high-temperature tensile property of the alloy ZnA127CulMg0.01, the mechanical properties and microstructures of extruded rod (ZnA127CulMg0.01 and ZnA127Cu2Mg0.01) were studied by SEM and X-ray diffraction.
     基于ZnAl27CulMg0.01合金的高温拉伸性能,采用SEM,X-ray衍射仪研究ZnAl27CulMg0.01和ZnAl27Cu2Mg0.01两合金在330℃、250℃下挤压型材的组织及性能。
短句来源
     The room- and high-temperature tensile strengths of the ZL108 alloy,containing 0.3%~0. 6 % Ti and adding modifiers A and M simultaneously,could surpass those of the ZL109 alloy.
     在ZL108合金中添加0.3%~0.6%Ti,同时加入适量变质剂A和M,可以使该合金的力学性能超过ZL109的水平。
短句来源
     In order to investigate the superplasticity and the microstructure evolution during the superplastic(deforma-)(tion) of ZE10 magnesium alloy sheet,the high-temperature tensile experiments of the sheet were carried out at the temperatures of 200 to 400℃ and at strain rates of 5.5×10~(-4) to 2.2×10~(-2)s~(-1),with the microstructure of the sheet being also analyzed.
     为研究ZE10镁合金板的超塑性能及超塑性变形过程中的组织演化特征,在200~400℃下以5.5×10-4~2.2×10-2s-1的应变速率对ZE10镁合金板进行了高温拉伸试验,并对其微观组织进行了分析. 结果表明:ZE10镁合金板在350和400℃拉伸时具有良好的超塑性.
短句来源
     The relationship between high-temperature tensile properties and microstructures of a Ni-base alloy aged at temperature of 750 ℃,800 ℃ and 850 ℃ for long time was investigated.
     研究了一种新型镍基合金在750℃、800℃、850℃长期时效过程中的高温拉伸性能与组织变化的关系。
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  相似匹配句对
     High heel
     情迷高跟
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     Climbing high
     高高在上
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     high-technology;
     产业高技术化;
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     O - resistance is high.
     后者化验:血沉明显增快,抗“O”增高。
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     (3)high temperature;
     (3)高温环境条件;
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  high-temperature tensile
In this article, high-temperature tensile tests are used to compare the superplastic performance of two different Al-Mg alloys that were specially processed for SPF with that of a conventionally processed Al-Mg alloy.
      
High-temperature tensile testing revealed that ductility decreased with a decrease in test temperature from 850 to 750 °C and improved with a further drop in temperature.
      
The effect of recrystallization (RX) on the high-temperature tensile and creep properties of a directionally solidified (DS) Ni-base superalloy was studied.
      
The effect of rapid heat treatment on the high-temperature tensile behavior of superplastic Ti-6Al-4V
      
As a consequence of the microstructural changes, the high-temperature tensile properties and the creep properties of the alloy were significantly improved.
      
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Supersonic speed aircraft and guided aircraft missiles are subjected to rapid aerodynamic heating and rapid loading during their flight. For taking full advantage of the strength of structural materials in design, it is necessary to study the mechanical characteristics of metallic structural materials under rapid loading and heating. This paper describes a short-time high-temperature tensile testing machine, which is capable of constant-rate loading up to 85 kg/sec and heating at a rate up to 80℃/sec,...

Supersonic speed aircraft and guided aircraft missiles are subjected to rapid aerodynamic heating and rapid loading during their flight. For taking full advantage of the strength of structural materials in design, it is necessary to study the mechanical characteristics of metallic structural materials under rapid loading and heating. This paper describes a short-time high-temperature tensile testing machine, which is capable of constant-rate loading up to 85 kg/sec and heating at a rate up to 80℃/sec, the temperature gradient within the gage length for a distance of 50 mm being less than 5℃. All the heating, temperature-controlling and stress-strain measuring processes are done automatically. Experiments such as rapid tension under high temperature, rapid heating under constant loading and short-time creep can be carried out on this tester. Specimens of low carbon steel, R1T and 12F2A have been tested on it. Diagrams and tables have been included here and results from these tests have been preliminarily discussed.

高速飞机及飞航导弹在飞行过程中受到气动力的快速加热和快速加载.为了最充分地利用结构材料强度进行合理设计,必须研究金属结构材料在快速加载、快速加热下的力学性能.本文叙述了一种短时高温拉伸试验设备;这设备能以小于85 kg/s的速率对试件进行恒速加载,以小于80℃/s的速率进行快速升温;试件50mm标距内温度梯度小于5℃;整个加热控温过程和应力应变测量记录过程均系自动进行.在此设备上可进行高温快速拉伸和短时蠕变等实验,并已进行了低碳钢,等材料的短时拉伸、短时蠕变、恒裁等加热率的实验.文内列有图表,并对结果进行了初步讨论.

It has been warranted through experiments and practical application that rare-earths-high-aluminium heat-resistant nodular iron has some intrinsic properties which are worthy of reconimandation, namely,that it will not scale after long periods of use at 1050-1100℃, will hardly break while being hammered into castings, runners or risers as the high-temperature tensile strength reaches 14-19 kg/mm2 at 800℃ or≥l3.3kg/mm2 at 900℃, with the room temperature strength close to HT 30-50 and the unnotched impact...

It has been warranted through experiments and practical application that rare-earths-high-aluminium heat-resistant nodular iron has some intrinsic properties which are worthy of reconimandation, namely,that it will not scale after long periods of use at 1050-1100℃, will hardly break while being hammered into castings, runners or risers as the high-temperature tensile strength reaches 14-19 kg/mm2 at 800℃ or≥l3.3kg/mm2 at 900℃, with the room temperature strength close to HT 30-50 and the unnotched impact strength egual to 2-6 kg/cm2 (AK≈2-6kg·M/cm2) ,and can easily be machined as well.Since China is rich in the necessary raw materials for the making of such type of iron, and since it is much more advantageous than high-silicon-, medium-silicon-, medium aluminium nodular iron and also than high -aluminium cast iron with flake graphite in that it can be melted in various kinds of furnaces,and its heat resistant and mechanical properties,especially its toughness, are much better than the others, this type of nodular iron merits our close attention and might be considered a good substiude for nickle-chromium series steels.In the present research paper, the following aspects concerning the treatment of rare-earths-high-aluminium heat-resistant nodular iron are involved: its application in actual production, its chemical composition, the action of rare-earths, its quantity to bo added and its controlling methods of applying rare-earth and aluminium, the influenence of cooling velocity on micro-structure, casing arts and defects together with its analysis, and its heat resistance and applicability.

本文介绍了稀土高铝耐热球墨铸铁的生产实践、化学成分;探讨了稀土作用及其用量和控制;论述了稀土和铝加入方式以及冷却速度对金相组织的影响;并对铸造工艺、铸件缺陷及分析、耐热性能及使用效果作了阐明.试验和使用证明:稀土高铝耐热球墨铸铁在1050~1100℃长时间工作不起氧化皮,热强度800℃时,14~19kg/mm~2,900℃时≥13.3kg/mm~2,室温强度近于HT30—54,a_k≈2~6kg·M/cm~2,锤击铸件或浇冒口,很难碎裂,并能机械加工.可以认为是以我国富产资源为原料,能用各种炉子熔炼、耐热和综合机械性能(特别是韧性)均较高硅、中硅中铝球铁、高铝片墨铸铁为高的一种耐热铸铁,也是镍铬系耐热材料较好的替代品.

A study was made of the correlation between the mechanical properties and the microstructure variation of an Fe-Ni-Cr base superalloy on prolonged heat exposure. It was found that the notch sensitivity of the alloy is closely related to TiC film precipitated along grain boundaries. With raising temperature and prolonging time of aging treatment, the TiC films coarsen gradually into block so that the notch sensitivity vanished from the alloy. Because of the minute block-shaped σ-phase is distributed along the...

A study was made of the correlation between the mechanical properties and the microstructure variation of an Fe-Ni-Cr base superalloy on prolonged heat exposure. It was found that the notch sensitivity of the alloy is closely related to TiC film precipitated along grain boundaries. With raising temperature and prolonging time of aging treatment, the TiC films coarsen gradually into block so that the notch sensitivity vanished from the alloy. Because of the minute block-shaped σ-phase is distributed along the grain boundaries, the high temperature tensile elongation and the rupture toughness of the alloy as well as its notch sensitivity ilimination could be improved. However, its room temperature tensile elongation and impact ductility are reduced, yet no great harm was influenced upon them as compared with the same contents of TiC and boride.

本文较详细地研究了一种铁镍铬基合金长期时效过程中力学性能变化与组织结构的关系。合金的缺口敏感性与薄膜状TiC沿晶界析出有着密切的关系,随着时效温度的提高和时效时间的延长,晶界薄膜状TiC逐渐变为块状,因而缺口敏感得以消除。由于σ相数量很少,并呈块状分布,因此它能提高高温拉伸塑性及持久延伸率,对消除缺口敏感性也起到一定有利作用,但使室温拉伸塑性及室温冲击韧性下降,其不良影响比TiC及硼化物要小。

 
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