复相组织

亚温等温复相组织中的贝氏体类似低温上贝氏体（BⅡ）。

In the composite microstructure , the bainite appears to be a low temperature upper bainite ( B_ ⅱ) .

通过研究AR的数量、分布及机械稳定性，探讨了低碳复相组织钢的强韧化机理。

Based on the research in quantity , distribution and stability of A_ ( R ), the mechanism of strengthening and toughening of low-carbon multiphase steel were discussed .

有少量的铈-锡化合物还会以先形成Ce2O3和Ce2O2S化合物作为生成核心进行生长，形成复相组织。

A small amount of cerium and tin compound has also been produced and formed multi - phase organize by the core of Ce_2O_3 and Ce_2O_2S which have been formed previously .

采用合适的TMCP工艺，可以在低碳合金管线钢中获得不同组成比的针状铁素体复相组织。

By using appropriate TMCP process , complex phase of acicular ferrite with different compositions could be obtained in low carbon alloy pipeline steel .

探讨了回火温度对低碳Mn-Si-Cr钢的空冷无碳化物贝氏体/马氏体复相组织及水淬马氏体组织强韧性的影响。

Effect of tempering temperature on the combination of strength and toughness of air cooled carbide free bainite-martensite ( CFB / M ) microstructure and water quenched martensite ( M ) microstructure for a low carbon Mn-Si-Cr steel is experimentally investigated .

奥氏体-贝氏体复相组织形态的研究奥氏体-贝氏体球墨铸铁

Study on the Morphology of Complex Structure With Austenite and Bainite

复相组织低合金铸钢耐磨锤头的研制

A Study on Low-alloy Cast Steel Wear-resistance Hammer with Multi-phase

奥氏体&贝氏体复相组织在模具中的应用研究

The Investigation of the Application of Austenite and Bainite Complex Structure for Die

中碳低合金复相组织抗磨钢锤头的研制

Development and Application of Mid-carbon Low-alloying Wear - resistance Steel Hammerhead with Multi-phase

马氏体&下贝氏体复相组织强韧化机理研究及实际应用

Strengthening and Toughening Mechanism of Martensite & Lower Bainite Duplex Structure and its Applications

探讨了这种复相组织的形成机理和影响因素。

The formation mechanism and influencing factor of the duplex structure have been studied .

低碳锰铌钢控制轧制及轧后快冷复相组织的强度及断裂行为

Strength and fracture behavior of low carbon Mn-Nb steel after controlled rolling and rapid cooling

奥氏体&贝氏体复相组织疲劳断裂性能研究

Fatigue Fracture Behaviour of Austenite-Bainite Duplex Steel

中碳空冷贝氏体/马氏体复相组织精细结构与强韧性研究

The Strength Toughness and Fine Structure Of Air-Cooled Medium Carbon Bainite / Martensite of Duplex Microstructure

具有仿晶界型铁素体/粒状贝氏体复相组织的大截面钢筋

Novel Grain Boundary Allotriomorphic Ferrite / Granular Bainite Duplex High Strength Reinforced Bar with Large Section

轴承钢马氏体-贝氏体复相组织的强韧性研究

A Study of the Mechanical Properties of Martensite & Bainite Dual Phase Structure of Ball Bearing Steel

显微组织参量对马氏体-贝氏体复相组织轴承钢屈服强度的影响研究

Influence of Structural Parameters on the Yield Strength of Tempered Bearing Steel with Martensite-Bainite Dual Phase Structure

马氏体与贝氏体有一最佳比例，此时复相组织的力学性能最好。

An appropriate proportion of martensite and bainite in the combined phases can offer the best mechanical properties .

该钢奥氏体化后空冷，就可获得具有较复杂精细结构的无碳化物贝氏体/马氏体复相组织。

A carbide free bainite with fine bainite / martensite mixed microstructure can be obtained by air cooling after austenization .

其主要原因之一是M/F复相组织有较高的冷加工硬化和塑性储备。

One of causes is that the M / F complex micro-structure phase Possesses high work hardening ability and more plasticity-reserve .

电镜分析指出，复相组织疲劳性能高的原因是复相组织中的下贝氏体回火后析出短杆状碳化物，能有效地阻止疲劳裂纹的萌生及扩展。

TEM analysis reveals that the precipitation of short-bar-shaped carbides in lower-bainite can prevent effectively from initiation and propagation of fatigue cracks .

结果表明，该钢奥氏体化后空冷具有贝氏体/马氏体复相组织；

The results show that bainite / martensite mixed microstructure can be obtained by air cooling after austenization of this type bainitic steel .

适量仿晶界型铁素体的存在增加了复相组织的协调变形能力，提高了裂纹形成功；

The presence of grain boundary allotriomorphic ferrite can increase the compatible deformation capability of duplex microstructure , improve the crack initiation energy under impact loading ;

复相组织颗粒尺寸较大，一般在10～100μm之间，随机分布于基体中。

The particle size of multiphase organize is big , generally between 10 μ m and 100 μ m , and random distribute in the substrate .

结果表明，贝氏体加马氏体复相组织的球铁具有优良的使用性能，这种材料不仅容易获得，而且价格低廉，是一种很好的新型抗磨材料。

The results show that bainite and marten-site duplex ductile iron is of practical use , It is a new abrasive resistant material , economic and easy to produce .

为探讨较高的冲击力对中碳合金钢的冲击腐蚀磨损规律，对中碳合金钢经900℃淬火、200℃低温回火得到的复相组织的磨损特性和机理进行了试验研究。

Wear characteristics and mechanisms of a medium carbon alloy steel after quenching at900 ℃ and low temperature tempering at200 ℃ were investigated under the condition of impact corrosive wear .

20钢经双相区亚温淬火（750~810℃），也获得F+M+AR复相组织，但因加热温度不同，强度出现先升后降，塑性则呈与此相反的变化规律。

Steel 20 also had F + M + A_ ( R ) multiphase microstructures after subcritical hardening in duplex phase range ( 750 ~ 810 ℃), strength and plasticity appeared different change with heating temperature .

结果表明，经低温回火，马氏体－贝氏体复相组织中含15%～25%下贝氏体时，钢的强韧性及模具使用寿命显著提高。

The result shows that in case of bainite content of ( M + B ) duel phase structure was about 15 % ~ 25 % the strengthening and toughening and the service life of die is markedly increased .

马氏体和贝氏体铁素体晶体细小、马氏体和贝氏体铁素体中碳化物弥散分布以及少量薄膜状形式分布的残余奥氏体是亚温等温淬火复相组织（B+M+F）强韧化的主要原因。

Fine martensite and bainite crystals , fine carbides dispersed in the martensite or bainitic ferrite matrix and some retained austenite films in the mixed microstructure are important factors contributing to the combination of strength and toughness of the steel .

结果表明：这种新型低合金耐磨钢有足够的淬透性，热处理后的组织为马氏体或马氏体/下贝氏体的复相组织；

The results show that this kind of steel has enough hardenability , and the microstructure treated by quenching composed of martensite or the combination of the martensite and bainite , that possesses high hardness , high strength and enough toughness as well as high wear resistance .