分析认为,冷塑性变形可使位错等缺陷增加,有利于硼原子的吸收与扩散。
The analysis indicates that cold plastic deformation results in crystal lattice defects, which facilitates the absorption and diffusion of boron atoms.
冷塑性变形金属释放其部分应变能的过程叫回复,通常采用热处理的方法。
The relief of some of the internal strain energy of a previously cold-worked metal, usually by heat treatment.
塑性流动的特殊情况是冷变形,发生在硫化橡胶长时间连续承受低应力时以及金属蠕变时。
Special instances of plastic flow are cold flow, which occurs in vulcanized rubber after low stress has been continuously applied for a long time, and creep of metals.
经渗碳及淬火后,具有表面硬度高、心部韧性好的特点、冷变形塑性中等,切削加工性好。
Carburizing and quenching, with high surface hardness, good toughness characteristics, the heart of cold plastic deformation of medium, cutting is good.
“冷拉伸滚压”技术是一种新的轴类零件塑性成形的加工方式。
"Tension-Assisted cold rolling" technology is a new plastic forming method of shaft parts.
冷镦头剧烈变形能力与合金组织、塑性和剪切强度关系较大。
Big deformability was more related with its microstructure, plasticity, and shear strength.
精密冷滚轧是金属塑性成形与轧制成形相结合的一种无切削加工工艺。
Precision CRF (Cold roll forming) is a kind of non-cutting technology, which integrates the metal plastic forming and rolling forming.
这些现象的本质是环件冷辗扩过程中的径向和轴向塑性区的分布不同。
The nature reason of these phenomena was that the radial and axial plastic zone distributions were different in cold ring rolling.
通过工件工作区的应力分布云图考察金属材料的塑性流动情况,分析冷辗成形的机理。
According to stress distribution pattern in working region of the workpiece, the plastic flow condition is inspected, the mechanism of cold rolling forming is analyzed.
这种弯管机由钢制机架、下模、上模、夹具、液压系统和内胎等组成,其工作原理是通过确定合理的支点和受力点并施加弯曲力矩,使钢管发生塑性变形,实现钢管的冷弯曲。
By determining rational fulcrum and force bearing point, and applying bending torque to cause the plastic deformation of the steel pipe, it can realize the cool bending of the pipe.
提出了既能保证钢筋冷拉后有一定塑性和强度储备,又能满足张拉后钢筋长度要求的新方法,达到了冷拉钢筋质量合格的效果。
A new method is proposed, which can not only ensure the plasticity and strength but also meet the demand of tension length.
由于加工硬化效应的影响,随着冷拔变形量的增加,合金丝材的室温强度增加,扭转塑性下降。
Due to the effect of strain hardening, higher amount of cold deformation resulted in superior room temperature strength and inferior torsion ductility.
冷锻技术是一种精密塑性成形工艺,广泛应用于各种机械产品关键零部件的制造。
Cold forging is a kind of precise forming technology, and has the unique advantages compared to the traditional machining technology.
本文主要介绍中碳合金结构钢经整体塑性变形、热处理后再进行表面冷变形工艺是提高材料疲劳强度的有效途径。
This paper mainly presents that constructional mid-carbon alloy steel, after bulk moulding deformation, heat treatment and cold surface deformation can raise fatigue strength of materials effectively.
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.
冷镦钢是一种在室温条件下,利用金属塑性成型工艺,生产互换性较高的标准件用钢。
Cold forge steel is a kind of special use of steel which can be used to produce the standard part in the room temperature.
本发明提供了一种在线冷弯型钢二次冲切模及其冲切方法,属于金属塑性成型技术领域。
The present invention provides on-line cold bent steel secondary punch mold and punching method, and belongs to the field of plastic forming technology for metal.
阐述冷弯方管采用有限元弹塑性非线性分析理论及应用ANSYS软件的非线性分析方法;
The elastic-plastic non-linear behavior of the cold-formed square hollow section columns analyzed by ANSYS is presented;
冷变形后经直接时效处理,合金的强度最高、塑性明显下降;
When the cold deformation of alloy GH169 was directly aged, the strength of alloy is on the highest level, the ductility decreases apparently.
但植物茎、叶结构具有环境可塑性,冷蒿、糙隐子草叶角质层厚度可塑性较大;
But plant leaf and stem had environmental plasticity to some extant. plasticity of Artemisia frigida and Cleistogenes squarrosa were high;
丝杠冷打是在工具和丝杠高速相对运动中,以高速断续的方式击打丝杠轴坯,使丝杆轴坯局部塑性变形形成丝杠螺纹的一种无屑塑性成形技术。
Cold beating lead screw plays the role of high-speed relative motion in the way of high-speed blowing shaft blanks, so that local plastic deformation forms a non-chip metal forming technique.
丝杠冷打是在工具和丝杠高速相对运动中,以高速断续的方式击打丝杠轴坯,使丝杆轴坯局部塑性变形形成丝杠螺纹的一种无屑塑性成形技术。
Cold beating lead screw plays the role of high-speed relative motion in the way of high-speed blowing shaft blanks, so that local plastic deformation forms a non-chip metal forming technique.
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