作者: 表否定 時(shí)間: 2025-3-21 20:15 作者: homeostasis 時(shí)間: 2025-3-22 03:43 作者: 過時(shí) 時(shí)間: 2025-3-22 05:11
https://doi.org/10.1007/978-3-642-68670-2 properties mainly due to a smaller and more homogeneous prior austenite grain size. Niobium additions enable higher process efficiency by high temperature carburizing. In forging steels microalloying controls the phase transformation during cooling after forging and enables shorter process routes.作者: 規(guī)范就好 時(shí)間: 2025-3-22 11:16
https://doi.org/10.1057/9781137335128T can promote the pearlite transformation, reduce the final pearlite fraction and interlamellar spacing. The mechanism of field-effect was discussed by analyzing the influences of high magnetic field on the Fe-C phase diagram and the eutectoid temperature.作者: 高深莫測(cè) 時(shí)間: 2025-3-22 14:16
Microalloyed Engineering Steels with Improved Performance properties mainly due to a smaller and more homogeneous prior austenite grain size. Niobium additions enable higher process efficiency by high temperature carburizing. In forging steels microalloying controls the phase transformation during cooling after forging and enables shorter process routes.作者: 嚴(yán)厲批評(píng) 時(shí)間: 2025-3-22 20:54
Effect of High Magnetic Field on the Pearlite Transformation of Hypoeutectoid SteelT can promote the pearlite transformation, reduce the final pearlite fraction and interlamellar spacing. The mechanism of field-effect was discussed by analyzing the influences of high magnetic field on the Fe-C phase diagram and the eutectoid temperature.作者: 使高興 時(shí)間: 2025-3-22 23:55 作者: 停止償付 時(shí)間: 2025-3-23 05:17
Niobium Solar Mobile Project — High Strength Niobium Microalloyed Steel as a Solution to Improve Ele and designed with high strength niobium microalloyed steel, which resulted in a weight reduction of 25%. CBMM’s facility in Araxá, Brazil was selected in the second half of 2013 as the demonstration site to test the efficiency of the Super Scooter and Solar Charging Station. Each Super Scooter has 作者: 護(hù)身符 時(shí)間: 2025-3-23 09:05 作者: 感染 時(shí)間: 2025-3-23 10:23
Weldability of HSLA Steels in Relation to Appropriate Toughness Requirements for Use in Safe and Ecoe such obstacles worldwide research has been performed on modern structural integrity concepts and weldability of HSLA steels for long time. Taking account of such research, which has led to practical welding aspects for such steels (such as t8/5 concept), it has become possible to produce safe weld作者: 山羊 時(shí)間: 2025-3-23 13:51
Effect of Nitrogen on Transformation Behaviors and Microstructure of V-N Microalloyed Steeleads to increasing quantities of ferrite and the transformed ferrite is smaller in size. The hardness test results reveal that the hardness number increases with increasing nitrogen addition at low cooling rate while the value tends to be smaller due to increasing nitrogen addition at high cooling r作者: obscurity 時(shí)間: 2025-3-23 18:22
Quantifying the Effect of Nb and Mo on Transformation Products Using Advanced EBSD Analysisuished and categorized based on their orientation relationship with the parent austenite grain. In particular, microstructure refinement has been quantified in terms of high angle grain boundary length per unit area. In addition the fraction and size of carbon-rich martensite/austenite constituents 作者: 樣式 時(shí)間: 2025-3-24 00:01
Decomposition of Supercooled Austenite in Continuous Cooling Transformation Process of a Mn-Mo-Ni LoWhen cooling rates greater than approximately 50 °C/s, the microstructure are martensite and retained austenite at room temperature. With the increase of cooling speed, the residual austenite content increased before decreased at the cooling speed of 2 °C/s, which is probably associated with the inc作者: 露天歷史劇 時(shí)間: 2025-3-24 05:30
Thermodynamic Calculations and Precipitation Simulations of HSLA Steelsl steels, especially for strengthening HSLA steels. The precipitation kinetics of alloy carbides, i.e., NbC, is simulated using TC-PRISMA, a computational tool that is integrated with Thermo-Calc and DICTRA together with additional interface property data. Properties such as interfacial energies bet作者: 邊緣 時(shí)間: 2025-3-24 10:06
https://doi.org/10.1007/b138578 and designed with high strength niobium microalloyed steel, which resulted in a weight reduction of 25%. CBMM’s facility in Araxá, Brazil was selected in the second half of 2013 as the demonstration site to test the efficiency of the Super Scooter and Solar Charging Station. Each Super Scooter has 作者: 尖叫 時(shí)間: 2025-3-24 12:07 作者: WITH 時(shí)間: 2025-3-24 15:29 作者: 無效 時(shí)間: 2025-3-24 21:46
https://doi.org/10.1007/978-94-017-3364-9eads to increasing quantities of ferrite and the transformed ferrite is smaller in size. The hardness test results reveal that the hardness number increases with increasing nitrogen addition at low cooling rate while the value tends to be smaller due to increasing nitrogen addition at high cooling r作者: ARIA 時(shí)間: 2025-3-25 02:12 作者: 在前面 時(shí)間: 2025-3-25 05:20 作者: overbearing 時(shí)間: 2025-3-25 11:26
The Influence of Oscar Wilde on W.B. Yeatsl steels, especially for strengthening HSLA steels. The precipitation kinetics of alloy carbides, i.e., NbC, is simulated using TC-PRISMA, a computational tool that is integrated with Thermo-Calc and DICTRA together with additional interface property data. Properties such as interfacial energies bet作者: 磨碎 時(shí)間: 2025-3-25 11:41 作者: 流行 時(shí)間: 2025-3-25 15:49 作者: 注視 時(shí)間: 2025-3-25 22:31 作者: 作嘔 時(shí)間: 2025-3-26 01:00
https://doi.org/10.1007/978-3-642-73653-7 gaps, should rely on both the tech-progress in iron and steel industry, shipbuilding, and marine steel industry, and the establishment and improvement of the R& D system in researching, manufacturing, testing, producing and application.作者: corpuscle 時(shí)間: 2025-3-26 05:02
https://doi.org/10.1007/978-3-642-82632-0r the certain true strain. With increasing strain rate, the initial and finish time of DRX decrease. The frozen microstructures of 20Mn23AlV steel with the experimental condition validate the feasibility of predicting DRX process by equivalent strain.作者: GOAT 時(shí)間: 2025-3-26 10:47
Design of Reforma 509 with High Strength Steellications of substituting a grade 50 (fy=345 MPa) carbon steel with a higher strength micro-alloyed grade 70 (fy=480 MPa) steel in the design of Reforma 509..This paper has shown that potential savings in material are possible if high strength steel is economically viable and can be competitively tendered in both the primary frame and connections.作者: 正面 時(shí)間: 2025-3-26 13:44 作者: gonioscopy 時(shí)間: 2025-3-26 17:21 作者: Vulnerable 時(shí)間: 2025-3-27 00:12 作者: Hemiparesis 時(shí)間: 2025-3-27 01:58
Conference proceedings 201615), the International Conference on Microalloying 2015 (Microalloying 2015), and the International Conference on Offshore Engineering Steels 2015 (OES 2015). The papers focus on the exchange of the latest scientific and technological progresses on HSLA steels, microalloying steels, and offshore eng作者: auxiliary 時(shí)間: 2025-3-27 08:42
The Infected Total Knee Arthroplasty’s iron and steel industry is now facing the excess production capacity and under pressure from respects of resource, energy and environment, therefore, it would be an effective way to realize the sustainable development in China’s iron and steel industry by strengthening the applications of HSLA steels continuously and positively.作者: cortisol 時(shí)間: 2025-3-27 12:27 作者: Armada 時(shí)間: 2025-3-27 17:38
https://doi.org/10.1007/978-3-031-39474-4esign involves the avoidance of coarse niobium carbide precipitates in the regions of the steel that contain chemical segregation caused by non-equilibrium solidification. Both pearlitic and cementite-free bainitic rails have been studied. The work is of generic value to the design of high-carbon microalloyed steels.作者: 釘牢 時(shí)間: 2025-3-27 21:28
https://doi.org/10.1007/978-94-009-9795-0produced relies on microalloying additions and related metallurgical technology..This paper describes and summarizes four decades of evolution of HSLA steels since 1975 with special reference to linepipe and plate.作者: 沒有準(zhǔn)備 時(shí)間: 2025-3-28 00:22
New Technology in Medical Practiceundary as high as 21% and lower in the centre. It was also found that RA has good heat and mechanical stability in 9%Ni steel but likely loses its stability and transform to Martensite undergoing both ultra low temperature and mechanical loading, accordingly inducing plasticity unceasingly.作者: Digest 時(shí)間: 2025-3-28 04:55 作者: 公豬 時(shí)間: 2025-3-28 09:56 作者: Ornithologist 時(shí)間: 2025-3-28 14:25 作者: RECUR 時(shí)間: 2025-3-28 18:15
Evolution of Microalloyed Steels Since Microalloying ’75 with Specific Emphasis on Linepipe and Platproduced relies on microalloying additions and related metallurgical technology..This paper describes and summarizes four decades of evolution of HSLA steels since 1975 with special reference to linepipe and plate.作者: comely 時(shí)間: 2025-3-28 19:06
Study of Chemical Composition and Thermal Stability of Reverted Austenite in QLT-Treated 9%Ni Steelundary as high as 21% and lower in the centre. It was also found that RA has good heat and mechanical stability in 9%Ni steel but likely loses its stability and transform to Martensite undergoing both ultra low temperature and mechanical loading, accordingly inducing plasticity unceasingly.作者: 影響帶來 時(shí)間: 2025-3-28 23:23 作者: Enzyme 時(shí)間: 2025-3-29 04:52
2367-1181 fshore engineering steels over the past decades. The contributions are intended to strengthen cooperation between universities and research institutes, and iron and steel companies and users, and promote the further development in the fields all over the world.978-3-319-48767-0Series ISSN 2367-1181 Series E-ISSN 2367-1696 作者: Tartar 時(shí)間: 2025-3-29 07:40 作者: AND 時(shí)間: 2025-3-29 14:31 作者: Essential 時(shí)間: 2025-3-29 18:42
https://doi.org/10.1007/978-3-031-39474-4ling depends on location. Here we explore a philosophy in which niobium microalloying may be introduced in order to thermomechanically process the material so that pancaked and refined austenite grains may eventually be achieved in the critical regions of the rail. The essential principle in alloy d作者: incontinence 時(shí)間: 2025-3-29 20:08 作者: GOUGE 時(shí)間: 2025-3-30 03:05
https://doi.org/10.1007/978-94-009-9795-0lmost all steel products but most notably in automotive, plate and linepipe steels. Revolutions in steelmaking, casting, rolling and accelerated cooling have all contributed to the adoption of this versatile, economical class of steel. Today it is estimated that fully seventeen percent of all steel 作者: 口音在加重 時(shí)間: 2025-3-30 05:51 作者: AVANT 時(shí)間: 2025-3-30 11:51 作者: 拍下盜公款 時(shí)間: 2025-3-30 15:17
https://doi.org/10.1007/978-3-642-68670-2 properties mainly due to a smaller and more homogeneous prior austenite grain size. Niobium additions enable higher process efficiency by high temperature carburizing. In forging steels microalloying controls the phase transformation during cooling after forging and enables shorter process routes.作者: botany 時(shí)間: 2025-3-30 20:32 作者: ensemble 時(shí)間: 2025-3-30 22:42 作者: 吹牛需要藝術(shù) 時(shí)間: 2025-3-31 01:08 作者: SEVER 時(shí)間: 2025-3-31 07:30 作者: 制度 時(shí)間: 2025-3-31 10:45
https://doi.org/10.1007/978-3-319-12021-8ements, light microscopy, electron backscatter diffraction, and microhardness testing and other methods. The results show that at the cooling rates of 1°C/s or below, ferrite initially formed and continuously rejecting C into the untransformed austenite, which transforms to C-rich lower bainite at l作者: JAMB 時(shí)間: 2025-3-31 13:52 作者: OCTO 時(shí)間: 2025-3-31 18:33
