• 这种结构形成于其后工序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.

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  • 变形温度升高,复合材料发生动态回复结晶

    Dynamic recovery and recrystallization of the composite generate with the increasing of deformation temperature.

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  • 结果表明,弯折压平交替变形,随热处理温度升高结晶增加

    The results show that after alternate deformation, with the increase of heat treatment temperature, the nucleation ratio of recrystallization rises.

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  • 采用电解-光技术研究了LD2 铝合金薄壁管材变形结晶组织特征

    The structure characteristics of deformation and recrystallization for LD2 Aluminium alloy tube were investigated by means of an electrolytic coating film-light etching technique.

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  • 这个出现可能变形过程中的动态回复结晶有关。

    During deformation, because of dynamic recovery and recrystallization, a turning point appears on the curve of true stress with temperature and strain rate.

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  • 合金变形机制主要位错滑移晶粒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).

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  • 变形量越大,则结晶温度晶粒尺寸越小;

    The lower the recrystallization temperature, the smaller is the grain size.

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  • 单晶线材变形加热产生大量高密度明显回复再结晶现象

    After deformation and heat treatment, single crystal al wire will generate a mass of dislocation cells, high density dislocations and evident recovery phenomena.

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  • 试验基础上就一般强度船板变形时奥氏体结晶百分数晶粒尺寸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.

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  • 研究了工业纯铜T277K温度下快速压缩变形组织变化结晶退火温度、时间对其组织、性能影响。

    The microstructure and hardness of T2 copper subjected to stamping deformation at 77 K and subsequently recrystallization annealing were studied.

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  • 塑性变形过程中发生发生连续回复结晶,导致原始晶粒组织超塑性变形的显著细化。

    The initial large grain microstructure became much finer after superplastic deformation. The large grained superplastic phenomenon could be explained by continuous recovery and recrystallization.

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  • 动态再结晶晶粒尺寸随着变形温度升高而增大,随着应变速率升高减小

    The dynamically recrystallized grain size increases with increasing deformation temperature and reduces with increasing strain rate.

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  • 不同锻造变形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.

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  • 再结晶温度以上材料内部缺陷损伤修复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.

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  • 随着变形温度降低变形程度变形速率增大再结晶晶粒尺寸减小结晶体积分数增大。

    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.

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  • 不同变形金丝进行再结晶退火试验。

    The recrystallization behaviours of Ta-Ti alloy wires with various deformation degrees were studied.

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  • 通过测量硬度观察组织,确定几种变形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.

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  • 合金应变速率变形通过动态再结晶获得细的晶粒尺寸,其断裂延伸率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%.

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  • 分析了热模拟变形过程中的均匀应变对氏体动态再结晶晶粒尺寸影响

    The effect of uneven distribution of strain during compression on dynamic recrystallization and grain size of austenite was analyzed.

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  • 试验首次采用再结晶显示金属塑性变形区的方法观察分析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.

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  • 结果表明:变形温度变形速率变形程度流动应力再结晶晶粒尺寸均有不同程度影响

    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.

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  • 为了获得足够应变积累来克服动态再结晶临界应变,低温变形量的变形基本条件

    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.

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  • 孪生变形积聚畸变非基滑移启动导致动态再结晶形核长大

    The distortion energy stored by twinning and the activation of non-basal slip are responsible for the nucleation and growth of dynamic recrystallization (DRX).

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  • 机械影响存在部分动态再结晶较明显塑性变形晶粒

    There exist a partly thermodynamic recrystallization, and superplastic grains appear in the thermo-mechanical affected zone.

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  • 只有变形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.

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  • 研究SWRH82B高温道次高变形速率再结晶规律

    The re-crystallization rule of SWRH82B steel at high-temperature, more rolling times and high deformation rate was studied.

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  • 采用应力一真应变曲线TEM研究高温压缩变形中的流变应力行为和它的动态结晶过程。

    The dynamic recrystallization mechanism during hot compress was examined by the true stress-strain curves and TEM.

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  • 动态再结晶晶粒尺寸应变速率增加减小,随变形温度增大增大。

    The size of dynamically recrystallized grain decreased with the increase of strain rate and increased with the increase of deformation temperature.

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  • 结果表明,所建立网络模型具有优良的性能,精确预测AZ61 B合金变形条件下的再结晶晶粒尺寸流变应力

    The result indicates that models are good enough to exactly predict recrystallization grain size and flow stress of AZ61...

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  • 高温变形容易发生不完全再结晶造成晶粒粗大不均匀随后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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