这种结构形成于其后工序的塑性变形以及再结晶过程。
This structure is altered during forging by subsequent processes of plastic deformation and recrystallization.
随变形温度升高,复合材料发生动态回复再结晶。
Dynamic recovery and recrystallization of the composite generate with the increasing of deformation temperature.
结果表明,弯折压平交替变形后,随热处理温度的升高,再结晶形核率增加。
The results show that after alternate deformation, with the increase of heat treatment temperature, the nucleation ratio of recrystallization rises.
采用电解复膜-光蚀技术研究了LD2 铝合金薄壁管材变形和再结晶组织特征。
The structure characteristics of deformation and recrystallization for LD2 Aluminium alloy tube were investigated by means of an electrolytic coating film-light etching technique.
这个折点的出现可能与变形过程中的动态回复与再结晶有关。
During deformation, because of dynamic recovery and recrystallization, a turning point appears on the curve of true stress with temperature and strain rate.
合金的变形机制主要是位错滑移,晶粒碎化和几何动态再结晶机制。
The major deformation mechanisms were found to be dislocation glide, grain breaking, and geometric dynamic recrystallization (GDRX).
变形量越大,则再结晶温度越低,晶粒尺寸越小;
The lower the recrystallization temperature, the smaller is the grain size.
单晶铝线材在变形和加热后会产生大量的位错胞、高密度位错和明显的回复再结晶现象。
After deformation and heat treatment, single crystal al wire will generate a mass of dislocation cells, high density dislocations and evident recovery phenomena.
在试验基础上就一般强度船板钢热变形时奥氏体再结晶百分数及晶粒尺寸与工艺参数的关系进行了研究。
According to the experiment, the effects of rolling parameters on the extent of austenite recrystallization and grain size show a varying way in different temperature area.
研究了工业纯铜T2在77K温度下快速压缩变形的组织变化和再结晶退火温度、时间对其组织、性能的影响。
The microstructure and hardness of T2 copper subjected to stamping deformation at 77 K and subsequently recrystallization annealing were studied.
在超塑性变形过程中发生发生连续回复和再结晶,导致原始大晶粒组织经超塑性变形后的显著细化。
The initial large grain microstructure became much finer after superplastic deformation. The large grained superplastic phenomenon could be explained by continuous recovery and recrystallization.
动态再结晶晶粒尺寸随着变形温度的升高而增大,随着应变速率的升高而减小。
The dynamically recrystallized grain size increases with increasing deformation temperature and reduces with increasing strain rate.
对不同锻造变形量的钨合金材料组织、性能及其再结晶行为进行了研究。
The investigation was made on microstructure, mechanical property and recrystallization behavior of tungsten alloy with different amount of swaged deformation.
再结晶温度以上,材料内部缺陷损伤与修复的作用效果对塑性变形能力具有重要影响。
The effect of damage and fault healing has the great influence on the plasticity in materials over the recrystallization temperature.
随着变形温度的降低、变形程度和变形速率的增大,再结晶晶粒尺寸减小,再结晶体积分数增大。
With the decreases of deformation temperature and increases of deformation degree and deformation rate, the recrystallized grain size decreases and the recrystallization volume percent increases.
对不同变形量的合金丝进行了再结晶退火试验。
The recrystallization behaviours of Ta-Ti alloy wires with various deformation degrees were studied.
通过测量硬度和观察组织,确定了几种冷变形钢的再结晶温度及其影响因素。
The recrystallization temperature of cold deformed steels and its influencing factors have been studied by measuring hardness values and structure observation.
合金在高应变速率的变形中通过动态再结晶可获得更细的晶粒尺寸,其断裂时总延伸率在135%左右。
They also show that a finer grain size can be obtained by dynamic recrystallization during superplastic deformation at a high strain rate, but the total elongation to failure is limited in about 135%.
分析了热模拟变形过程中的非均匀应变对奥氏体动态再结晶及晶粒尺寸的影响。
The effect of uneven distribution of strain during compression on dynamic recrystallization and grain size of austenite was analyzed.
本试验首次采用再结晶显示金属内塑性变形区的方法观察分析了焊接接头中冷裂纹产生的塑性变形区域。
In this investigation recrystallization in metals was first used to study the plastically - deformed zone induced by cold cracking in welds.
结果表明:变形温度、变形速率和变形程度对流动应力和再结晶晶粒尺寸均有不同程度的影响。
The influences of deformation temperature, deformation rate and deformation degree on the flow stress and grain size are different. The deformation degree mainly influences the shape of flow curves.
为了获得足够的应变积累来克服动态再结晶的临界应变,低温大变形量的变形是基本条件。
Lowering temperature window of rolling and large strain accumulation is basic condition for exceeding of critical strain for dynamic recrystallization to refine austenite grain size.
由孪生变形积聚的畸变能和非基滑移的启动导致了动态再结晶的形核与长大。
The distortion energy stored by twinning and the activation of non-basal slip are responsible for the nucleation and growth of dynamic recrystallization (DRX).
机械热影响区存在部分动态再结晶和较明显的塑性变形晶粒。
There exist a partly thermodynamic recrystallization, and superplastic grains appear in the thermo-mechanical affected zone.
只有变形量高于临界变形量时才能发生动态再结晶。
Only deformation is higher the critical deformation can the dynamic recrystallization be occurred.
研究了SWRH82B钢在高温多道次高变形速率下再结晶的规律。
The re-crystallization rule of SWRH82B steel at high-temperature, more rolling times and high deformation rate was studied.
采用真应力一真应变曲线和TEM研究其高温压缩变形中的流变应力行为和它的动态再结晶过程。
The dynamic recrystallization mechanism during hot compress was examined by the true stress-strain curves and TEM.
动态再结晶晶粒尺寸随应变速率的增加而减小,随变形温度的增大而增大。
The size of dynamically recrystallized grain decreased with the increase of strain rate and increased with the increase of deformation temperature.
结果表明,所建立的网络模型具有优良的性能,能精确预测AZ61 B合金热变形条件下的再结晶晶粒尺寸及流变应力。
The result indicates that models are good enough to exactly predict recrystallization grain size and flow stress of AZ61...
高温小变形时容易发生不完全再结晶,造成晶粒粗大且不均匀,在随后的轧制过程中很难消除。
Small deformation in high temperature is easy to cause incomplete recrystallization and bulky and uneven grain. It is hard to eliminate them in subsequent rolling process.
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