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首页> 外文期刊>Journal of Materials Engineering and Performance >Development of Texture in Interstitial-Free Steel Processed by Equal-Channel Angular Pressing
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Development of Texture in Interstitial-Free Steel Processed by Equal-Channel Angular Pressing

机译：等通道转角挤压无间隙钢组织的发展

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Ti + Nb-stabilised interstitial-free steel is deformed by equal-channel angular pressing (ECAP) adopting a route B-C up to an equivalent strain of 24. Upon ECAP the grain size decreases to ultrafine level and it becomes strongly textured. At epsilon(vm) = 0.6-6, components of both {110} fiber, , and of aOE (c) 111 > fiber, D (1 theta,) D (2 theta) with common components of E (theta), are existing but after epsilon(vm) a parts per thousand yen9, only aOE (c) 111 > fiber components are observed. At large strain, epsilon(vm) = 9-24, aOE (c) 111 > fiber texture is recorded with monoclinic symmetry. At epsilon(vm) = 0.6, coarse grains get split into deformation bands. Fragmentation of bands (at epsilon(vm) = 3) suppress components. At epsilon(vm) = 6, formation of lamellar structures increases intensity of mainly D (1 theta,) D (2 theta). At epsilon(vm) = 9, oriented ribbon grains result in strong D (1 theta,) D (2 theta) components with aOE (c) 111 > fiber. At epsilon(vm) = 15-24, conversion of ribbon grains to near-equiaxed shaped grains maintains aOE (c) 111 > fiber texture with enhanced intensity of D (1 theta) and D (2 theta) components.
机译：Ti + Nb稳定的无间隙钢通过等径角挤压（ECAP）采用B-C路径变形，直至等效应变为24。在ECAP上，晶粒尺寸减小到超细水平，并变得牢固。在epsilon（vm）= 0.6-6时，{110}光纤的分量和aOE（c）111>光纤的分量，D（1 theta）D（2 theta）的共同分量为E（theta），都是现有的，但是在epsilon（vm）达到千分之一9之后，仅观察到aOE（c）111>纤维成分。在大应变下，ε（vm）= 9-24，以单斜对称性记录aOE（c）111>纤维质地。在epsilon（vm）= 0.6时，粗晶粒分裂为变形带。条带的碎片（在epsilon（vm）= 3时）会抑制分量。在epsilon（vm）= 6时，层状结构的形成增加了主要是D（1 theta）D（2 theta）的强度。在epsilon（vm）= 9时，取向的带状晶粒会导致a（c）111>纤维的强D（1 theta）D（2 theta）成分。在epsilon（vm）= 15-24时，带状晶粒向近似等形的成形晶粒的转化保持aOE（c）111>纤维质地，并增强了D（1 theta）和D（2 theta）分量的强度。

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