Four Nb-Ti microalloyed steels were refined and rolled to study the composition optimization of Nb-Ti microalloyed steel......

Extensive efforts are underway worldwide to develop new steels with substantial fractions of retained austenite,for ligh......

This paper reviews the current technology related to control of weld HAZ properties in high strength steels.The debate r......

The technological development of value-added applications for niobium ( Nb) microalloyed structural steels continues glo......

Steel is the dominant construction material for most industrial goods such as equipment,structures,buildings or vehicles......

The safe transport of sour gas requires steels with enhanced hydrogen induced cracking(HIC)resistance.Centerline segrega......

...

Austenitic stainless steel with a niobium diffusion protective layer is evaluated as bipolar plate for the direct methan......

Structural steels with yield strength requirements greater or equal to 690 MPa can be produced through controlled recrys......

This paper presents an actual case of a new industrial building at CBMMs plant in Araxá,Brazil as an example of lean de......

One of the key challenges in engineering of orthopedic implants is to "bioactivate" their surface by using different s......

This study is focused on the effect of vanadium addition to an API X100 steel.Laboratory heats were melted and control r......

In the study a low carbon niobium bearing high strength F-B dual phase automobile steel with high hole expansion propert......

Shougang Group has developed advanced high-strength wear-resistance steel of NM450 by using Nb-Mo-Cr-Ti-B micro-alloyed ......

For the purpose of obtaining the optimal microstructures and mechanical properties of the CGHAZ under high input welding......

Thick gauge strip production using thin slab casting and direct rolling(TSDR)technologies show important challenges due ......

The recrystallisation behaviour of medium carbon steels with dilute Nb addition was investigated by means of plane strai......

The use of niobium as a microalloying element in high strength steels is now well-known and widely adopted.However,with ......

The upper Permian Heshan Formation in Pingguo,Guangxi,China,is strongly enriched in lithium(Li)and niobium(Nb).The lower......

In this work,a novel approach of leaching valuable metals,such as niobium,yttrium and cerium,from a niobium-bearing ore ......

...

采用TU1无氧铜作为填充材料进行了反应堆级铌与316L不锈钢连接的真空钎焊,研究了样品和过渡接头在不同温度下的显微组织和力学性能......

ＩｎｖｅｓｔｉｇａｔｉｏｎｏｎＰｈａｓｅＴｒａｎｓｉｔｉｏｎｏｆＦｅｒｒｏｅｌｅｃｔｒｉｃＣｅｒａｍｉｃｓｏｆＬｅａｄＴｉｔａｎａｔｅ─ＺｉｒｃｏｎａｔｅＤｏｐｅｄｗｉｔｈＮｉｏｂｉｕｍａｎｄＴｉｎ─ＳｕｂｓｔｉｔｕｔｅｄＬｅａｄＴｉｔａｎａｔｅ─Ｚ... InvestigationonPhaseTransitionofFerroelectricCeramicsofLeadTitanate─ZirconateDopedwithNiobiumandTin─Substit......

The solid state synthesis of the phase“Ce3NbO7+δ”, from stoichiometric quantities of CeO2 and Nb2O5, was investigated......

This work presents a preliminary mineralogical characterization of Nb-Ta oxide minerals from alluvial placers located in......

A highly accurate and precise technique for measurement of the 93Nb(n,n')93mNb reaction rate was established for the mat......

采用了氢氟酸和硫酸、氢氟酸和硝酸的混合酸浸出法,对铅细晶矿进行了浸取分离.在最佳条件下,钽和铌的收率达到99％,同时并确保放射性......

We present the electronic structure and electron energy loss spectroscopy (EELS) for uranium, niobium and U3Nb in which ......

In this study, a novel class of niobium (Nb) doped titanate nanoflakes (TNFs) are fabricated through a onestep hydrother......

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L-shell ionization cross sections of Nb by electron impact in the energy range from 3 to 40 keV have been determinedwith......

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A tunable superconducting half-wavelength coplanar waveguide resonator(CPWR) with Nb parallel nanowires ～300 nm in width ......

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In situ synchrotron angle-dispersive x-ray diffraction experiments on niobium powders have been conducted at pres-sures ......

Large-scale Josephson junction (JJ) arrays are essential in many applications, especially quantum voltage standards appl......

As well as world class Fe and REE resources the Bayan Obo mineral deposits also hosts significant niobium resources (est......

该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......

该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......

以WCo75钎料为研究基础,结合分析Co-Nb和Nb-W二元相图,设计了理论成分比例为Co∶W∶Nb=65∶25∶10(%,质量分数)的合金钎料,以期获......

Niobium, as the most effective second-phase forming element, was added in the Fe-Cr13-C-N hard-facing alloy to get carbo......

...

The most effective carbide-forming elements titanium and niobium were added into hardfacing alloy.Formation and composit......

该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......

The single-pass hot compressions of two 5%Ni steels with and without niobium addition at different temperatures of 800-1......

Hot deformation behavior of a new type of M3∶ 2 high speed steel with niobium addition made by spray forming was invest......

The strengthening mechanisms of hot-rolled steels micro-alloyed with Ti(ST-TQ500)and Nb-Ti(NTTQ500)were investigated by ......

The hypereutectic Fe-Cr-C hardfacing alloys with different contents of TiB2 and Nb were prepared by selfshielded flux co......

The effect of dissolved niobium on the eutectoid transformation behavior in near-eutectoid high-carbon steels has been s......

该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......