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冷变形强化
相关语句
  cold deformation strengthening
     That is:( 1 ) to make the electroslag casting ring; ( 2 ) high temperature controlled hot deformation followed by controlled cooling (i.e. high temperature thermomechanical treatment); ( 3 ) cold deformation strengthening.
     它由如下三步组成:(1)电渣熔铸环坯→(2)高温控制热变形和控制冷却(即高温形变热处)→(3)冷变形强化
短句来源
  cold-worked strengthening mechanicial
     The Effect of Microstructure on The Cold-worked Strengthening Mechanicial Properties in The 50Mn18Cr4N Austenic Steel
     50Mn18Cr4N奥氏体钢显微组织对冷变形强化性能的影响
短句来源
  “冷变形强化”译为未确定词的双语例句
     The results showed that the production cost was the lowest for cold deformation hardened BT16 alloy fastener;
     结果表明BT16钛合金制造冷变形强化紧固件的工作量和成本最低;
短句来源
     The results of investigating aging strengthening mechanisms by TEM in MP159 alloy indicate that both solution treated and cold deformed MP159 alloy can be strengthened byaging heat treatment.
     通过对冷变形状态MP159合金的静态再结晶行为的研究,明确了这种合金在不同温度下热曝露时,冷变形强化组织不发生静态再结晶软化所能持续的时间,为制定合理的热态成形工艺提供了理论依据。
短句来源
     Character istics of hot-forged microstructure in the 30Mnl8Cr4N austenic steel, and the effect of various mierostr uctur es on the cold-worked strengthening mechanical properties are throughly researched through a series of experiments.
     实验研完了50Mn18Cr4N奥氏体钢热锻后的显微组织的特征,及其对冷变形强化机械性能的影响,并给出了各种显微组织的真应力—应变曲线。
短句来源
     It was studied that the. high strenggh fastening piece is made of hot rolled dual phase steel of low carbon-Si-Mn-V series by cold deformation to substitute mid carbon strengthened by heat treatment.
     本文对低碳—Si—Mn—V 系热轧双相钢经冷变形强化代替中碳钢经热处理强化生产高强度紧固件进行了研究.
短句来源
     It also analyses the relation between its strengthening law and fatigue strenjth. Fatigue crack growth mechanism and cold surface deformation strengthening micro-mechanism are also studied.
     分析了强化规律与疲劳强度的关系,并探讨了疲劳裂纹扩展机制及表面冷变形强化微观机理。
短句来源
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  相似匹配句对
     DEFORMATION AND ITS EFFECT ON STRENGTHENING OF COLD-DRAWN PLAIN STEEL WIRES
     拉钢丝的变形强化
短句来源
     Influence of Cold Deformation on Microstructures and Properties of Surficial Dispersion-strengthening Copper Alloy
     变形对表面弥散强化铜合金组织与性能的影响
短句来源
     Study on Cryogenic Strengthening of Carburized Steel
     渗碳钢的深强化
短句来源
     Cold Working of Al Alloy Fastener Hole
     铝合金孔的挤压强化
短句来源
     COLD DEFORMATION BEHAVIOURS OF HIGH DUCTILE DISPERSION STRENGTHENED COPPER IN COMPLICATED STRESS
     复杂应力状态下良塑性弥散强化铜的变形行为
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  cold deformation strengthening
Investigation on the cold deformation strengthening mechanism in MP159 alloy
      


In this paper the progress in the past few years of higher strength nonmagnetic retaining r ings of generator rotor is summar ised. Character istics of hot-forged microstructure in the 30Mnl8Cr4N austenic steel, and the effect of various mierostr uctur es on the cold-worked strengthening mechanical properties are throughly researched through a series of experiments. And the true stress-strain curves for various microstr uctures are also given.

本文概述了高强度发电机无磁性护环近年的发展。实验研完了50Mn18Cr4N奥氏体钢热锻后的显微组织的特征,及其对冷变形强化机械性能的影响,并给出了各种显微组织的真应力—应变曲线。 实验研究结果表明,改善锻后的显微组织(细化与匀化晶粒尺寸,减少碳化物M_(23)C_8)能有效地提高护环冷变形强化后的屈服强度和塑性指标。

Some theoretical problems of thermomechanical treatment for the nonmagnetic high strength steel 50Mn18Cr4 closely related to energy resources science were studied. The steel was frequently scrapped because of its coarse or inequable grain size in the final workhardening process.In an attempt to overcome the difficulties occuring in producing generator retaining rings, this paper dealt mainly with the regular pattern of the micro structural change and high temperature recrystallization in steel tested instead...

Some theoretical problems of thermomechanical treatment for the nonmagnetic high strength steel 50Mn18Cr4 closely related to energy resources science were studied. The steel was frequently scrapped because of its coarse or inequable grain size in the final workhardening process.In an attempt to overcome the difficulties occuring in producing generator retaining rings, this paper dealt mainly with the regular pattern of the micro structural change and high temperature recrystallization in steel tested instead of concrete technological parameters. A new tripartite envisage of producing retaining rings was proposed. That is:( 1 ) to make the electroslag casting ring;( 2 ) high temperature controlled hot deformation followed by controlled cooling (i.e. high temperature thermomechanical treatment);( 3 ) cold deformation strengthening.The present investigation provides a theoretical foundation for the second step only. The connexion with the first step is considered also.

本文对与能源科学密切相关的无磁奥氏体高强度结构钢50Mn18Cr4高温形变热处理的理论问题进行了研究。这种钢常常因其粗大或不均匀的晶粒尺寸而在最终的形变强化工序中报废。作者试图解决发电机护环生产实践中大批产品的这一类不合格问题。研究内容不是具体的工艺参数,而是研究该钢的组织变化和高温再结晶的规律。由此提出新的护环生产工艺设想。它由如下三步组成:(1)电渣熔铸环坯→(2)高温控制热变形和控制冷却(即高温形变热处)→(3)冷变形强化。本文内容仅为第二步的理论基础,但考虑了与第一步之间的衔接。

It was studied that the.high strenggh fastening piece is made of hot rolled dual phase steel of low carbon-Si-Mn-V series by cold deformation to substitute mid carbon strengthened by heat treatment.The experimental results show that the structure of the steel is ferrite plus martensite and bainite when it was rolled by heating to 1200℃,first-rolling at 1150℃,last- rolling at 900 to 950℃ then in air cooling to get F+M and B dual phase structure.The volume fraction,of second phase is about 15 to 20%,σ_b>550 Mpa,...

It was studied that the.high strenggh fastening piece is made of hot rolled dual phase steel of low carbon-Si-Mn-V series by cold deformation to substitute mid carbon strengthened by heat treatment.The experimental results show that the structure of the steel is ferrite plus martensite and bainite when it was rolled by heating to 1200℃,first-rolling at 1150℃,last- rolling at 900 to 950℃ then in air cooling to get F+M and B dual phase structure.The volume fraction,of second phase is about 15 to 20%,σ_b>550 Mpa, Ψ>64%,δ equals 26 to 37% for heat rolling condition.After 29 to 33% of cold deformation,σ_b can attain 800 to 1100 Mpa,Ψ>61%,δ>10. The 10 grade high-strength nuts can be made of the steel bar by cold-heading directly and 8.8 grade high-strength bolt and screw column can be made by proper cold drawing.

本文对低碳—Si—Mn—V 系热轧双相钢经冷变形强化代替中碳钢经热处理强化生产高强度紧固件进行了研究.试验结果指出,采用1200℃加热,1150℃初轧,900~950℃终轧后空冷可得到 F+M 及 B 双相组织,第二相的体积分数约占15~20%,热轧态σ_b>550Mp_a, ψ >64%,δ为26—37%.经29~33%的冷拨变形σ_b 可达800~1100Mp_a,ψ >61%,δ>10%.该钢在热轧态可直接冷镦10级螺母;经适当冷拨强化后可生产8.8级螺栓和螺柱.

 
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