屈强比

热轧低屈强比大线能量焊接建筑钢力学性能与组织研究

Research on the mechanical properties and microstructures of hot-rolled low yield ratio and high heat input welding construction steel

去应力退火后材料的冲击吸收能量都可回复到标准要求的韧度；退火后屈强比下降幅度较大，前热处理对屈服强度有明显影响，而抗拉强度基本不受前热处理影响。

The material impact absorption energy can recover to the standard value after stress relief annealing . The yield ratio decreases a lot after annealing . The pre-treatment has great effect on the yield strength , but has little effect on the tensile strength .

针状铁素体/马氏体高强度低屈强比双相钢的EBSD研究

The EBSD Study on an Acicular Ferrite / Martensite Dual-Phase Steel with High Strength / Low Yield Ratio

双相钢（DP）作为一种先进高强钢，具有强度高、屈强比低、初始加工硬化速率高以及强度和延性匹配好的特点。

As one of advanced high strength steel , dual phase ( DP ) steel is widely used in producing cars nowadays and in the coming future .

60kg级低屈强比耐火钢的实验研究

Experimental Study of Low Yield Ratio Fire Resistant Steel of 60kg / mm ~ 2 Grade

本文对化学成份相同、屈强比不同的两种高强钢进行了三点弯曲CTOD试验。

Three point bending CTOD tests have been conducted for two kinds of high strength steels with same chemical compositions but different yield ratio .

耐火钢中保持10%左右，细小、弥散分布在晶界处的M-A岛，是保持低屈强比和耐火钢良好高温性能的一个主要原因；

The fine distribution of M-A island is a mostly factor of keeping significant high-temperature properties and low yield ratio on fire-resistant steels for building .

降低耐大气腐蚀用钢屈强比的研究

Research on Reducing the Yield Ratio of Atmosphere Corrosion Resisting Steel

高屈强比管线钢的安全性分析

Analysis on Security of Pipeline Steel with High Yield Ratio

起落架用超高强度钢的屈强比问题

A question about yield-to-strength ratio of ultra-high strength steel for landing gear

高强度低屈强比建筑用钢板的研究开发

Development of High Strength and Low Yield Ratio Steel Plates for Buildings

热轧后停留时间对带钢屈强比影响的研究

Effect of Delay Time After Hot Rolling on Yield Ratio of Strip

热轧带钢屈强比研究

Study of the ratio of yield strength and tensile strength of hot - rolled strip

免热处理高强度低屈强比铆螺钢的研究

Study of High Strength and Low Yield Ratio Cold Heading Steel not Requiring Heat Treatment

但抗拉强度将随卷曲温度的降低而有少量损失，而屈强比提高。

But the tensile strength will be reduced a little , and the yield ratio increased .

轧后控冷终冷温度对高强度管线钢屈强比的影响

Effects of finish rolling temperature on ratio of yield to strength in high strength pipeline steel

屈强比为0.76；延伸率由原始的44%下降到7.2%，且显微硬度显著增加。

The coefficient of elongation drops from 44 % to 7.2 % and original and micro-hardness increase obviously .

本文对高强度低屈强比建筑用钢进行了实验室生产研究。

In this paper , steel plate for buildings with high strength and low yield ratio was studied in laboratory .

弹性模量设定对胎圈钢丝破断伸长率和屈强比测试结果的影响

Influence of the range of elastic modulus on the determined elongation at rupture and yield strength ratio of bead wire

含氮量为0.06%含钒0.27%的马氏体不锈钢屈强比达到0.85；

Yield ratio of martensitic stainless steel is 0.85 when nitrogen and vanadium contents are 0.06 % and 0.27 % separately .

中碳铬-镍-钼钢的超高强度和超低屈强比现象

Phenomenon of Ultra High Strength and Ultra Low Ratio of Yield Strength to Tensile Strength in a Medium Carbon Cr-Ni-Mo Steel

管线管的残余应力及控制：高强度管线钢的屈强比问题；

Residual stress and its control of line pipe ; the ratio of yield to tensile strength of high strength steel line pipe ;

研究了氮含量对热镀锌双相钢拉伸性能的影响，用定拉伸试验方法模拟了平整伸长率对热镀锌双相钢屈强比的影响。

Using scaling tension test method simulated the effect of leveling elongations on yield strength ratio of hot dip galvanized dual phase steels .

研究了变形和冷却参数与钢的屈强比、缺口冲击功、延伸率等的关系。

The effects of deformation and cooling parameters on the yield ratio , Charpy notch impact toughness and elongation of the steel were investigated .

而其后的人工时效处理能明显提高合金的屈服强度和屈强比，但也明显降低了延伸率。

, and YS ( yield strength ) and the value of YS / UTS increase through the followed artificial ageing with obvious loss of elongation .

应变率增加，材料强度提高，屈强比增大，塑性略有降低，但流变阶段应变率强化系数基本不变。

Raising the testing strain rate , the strength and yield ratio increased the plasticity slightly decreased , but the strain rate hardening index kept constant .

对低屈强比建筑用耐火钢进行了实验研究，介绍了实验钢的化学成分、实验工艺、力学性能等；

A fire-resistant steel with low yield rate was tested , and the chemical compositions , experimental parameters , mechanical properties of the steel were presented .

管体屈服强度和屈强比有明显变化，其主要影响因素是防腐前的中频加热温度。

There is clearly changed on yield strength and ratio of yield and tensile strength and the main affecting elements is middle frequency heating temperature before coating .

抗大变形管线钢就是基于应变设计的方法得到的具有连续屈服、较低的屈强比、较高的加工硬化指数以及均匀塑性变形延伸率等特性的管线钢。

The pipeline steel with strain-based design is usually characterized by high initial work hardening rate , good ductility , and low yield stress to tensile strength ratio .

受非马氏体组织的影响及可动位错密度降低的作用，屈服强度、屈强比随退火温度升高而升高。

The yield strength , yield ratio increase with the increase of annealing temperature , due to the impact of non-martensite and the decrease of movable dislocation density .