淬火裂纹的组织特征是裂纹两侧无脱碳现象,明显区别与锻造裂纹和材料裂纹。
Quenching crack propagation characteristics of the organizations on both sides without decarburization phenomenon significant difference between crack and materials and forging cracks.
虽然这种液压锻机比落锤锻造要昂贵得多,但它除了能给予大零件较高的强度和更均匀的组织外还有其它优点。
Although the hydraulic forging press is a more expensive piece of equipment than a drop-forge, it has advantages beside those of giving greater strength and more uniform structure to large components.
研究了不同等温锻造温度对2b70铝合金显微组织与力学性能的影响。
The effect of isothermal forging temperature on microstructure and mechanical properties of2B70 aluminum alloy was studied.
在接下来的日子里,像你一样的支持者将会开始在全国锻造一个全新的、属于我们的组织。
In the coming days, supporters like you will begin forging a new organization that we'll build together in cities and towns across the country.
本文讨论了在锻造过程中不同变形温度、变形程度、变形速度对高温合金组织和性能的影响。
In this paper, the influence of various deformation temperature, deformation degree and deformation velocity on structure and properties of superalloys in forging process was discussed.
分析了变形方式和变形程度对大型锥环形锻件组织和性能的影响并制定较佳锻造工艺。
The effect of deformation mode and degree on the structure and properties of large conical ring forgings was analyzed. An optimal forging process was drawn up.
针对旋转锻造、二辊轧机和老式三辊轧机生产钛及钛合金线材成本高、精度低、组织性能差的现状。
The titanium and titanium alloy wire were produced by rotary forging, two-roll mill as well as old fashioned three-roll mill had high cost, low precision and poor organizational performance.
模数在10毫米以上的滚﹐为了节约高速钢﹑避免锻造困难和改善金相组织﹐常采用镶片结构。
In more than 10 mm modulus hob, in order to save high speed steel, avoid forging difficulties and improve metallographic organization, is often used to set piece of fabric.
锻造法兰一般比铸造法兰含碳低不易生锈,锻件流线型好,组织比较致密,机械性能优于铸造法兰;
Forging flange generally lower than cast flange carbon is not easy to rust, forging streamline, the organization is more dense, mechanical properties than casting flange;
随着锻造比的增大,晶粒组织逐渐细化,锻件力学性能提高。
It could be concluded that following the forging ratio increasing, the grains refined gradually and the mechanical properties of forgings increased.
微观组织观察表明,在锻造或高温轧制状态下获得了以低碳马氏体为主,含少量贝氏体和残余奥氏体的复合组织。
Observations showed that the micro-structure of the steel after forging or high temperature rolling was composed of low-carbon martensite, a little part of bainite and residual austenite.
研究了不同等温锻造温度对2b70铝合金显微组织与力学性能的影响。
The effect of isothermal forging temperature on microstructure and mechanical properties of 2b70 aluminum alloy was studied.
研究结果表明,锻材断口呈石状、显微组织枝晶特粗大的原因主要是由于锻造加热工艺控制不当造成。
The result shows that due to the reason of unsuitable control of the forging process, the forging fracture is in stone shape and the microstructure is extremely rough.
在耗散结构理论和DMM方法的基础上,提出一种确定锻造热力参数范围的方法,以获得组织和性能稳定一致的锻件。
A new approach to determining the thermomechanical parameters of forging processes is proposed based on the dissipative structure theory and the dynamic material model (DMM).
重点分析了球墨铸钢铸态、退火、正火、锻造后的组织特征。
The microstructure morphology of spheroidal graphite cast steel after as-casting, annealing, normalizing, forging was investigated emphatically in this paper.
研究了高强度钨合金材料大变形量锻造后的扫描断口,并结合力学性能变化规律分析了大变形对材料组织和性能的影响。
In this paper, after large deformation, scanning fractograph of tungsten alloys have been studied, and the influence of large deformation level on microstructure and properties has been analysed.
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.
研究了两类锻造工艺对航天用TC 4钛合金异形锻件的显微组织及拉伸性能的影响。
The influence of two abnormal forging processes on the microstructures and tensile properties of TC4 alloy is investigated.
叙述了白口铸铁锻造工艺特点,以及锻造比对白口铸铁组织和力学性能的影响。
The paper describes the forging properties of white cast iron and the effect of forging ratio on the structure and properties of white cast iron.
水平V形砧锻造法在内部应力状态、金属纤维组织、锻件的整体性能、宏观几何形状等方面都优于普通平砧锻造法。
The forging method is superior to the common flat anvils(FA) forging method in inner stress states, metal tissue, overall properties and geometrical shapes of forgings.
因此,对微观组织模型应用,锻造工艺中晶粒度的控制等方面的研究有重要意义。
Therefore it is important to study the application of microstructure models and the control of grain size in the forging process.
结果表明:晶界氧化夹杂和铸造、锻造造成的组织缺陷是引起结晶器铜套快速失效的主要原因。
The results show that oxide inclusion in grain boundary and structure defects from casting and forging process are the main reasons for failure of the copper sleeve.
采用本工艺可以生产出成分合格,结晶组织优良,内部纯净的钢锭,为锻造创造良好的条件。
The steel ingot with qualified components, a good crystalline structure and pure interior can be produced by using the process which provides a good condition for smithing.
即叶轮断裂是由于锻造加热时温度控制不好导致过热,在随后的淬火工序中又因加热温度过低,组织固溶强化效果差等综合原因所致。
The results show that the wheel hub cracking during radial impact testing was caused by excessive content of magnesium in the alloy as well as the overheating of the alloy during the solution process.
即叶轮断裂是由于锻造加热时温度控制不好导致过热,在随后的淬火工序中又因加热温度过低,组织固溶强化效果差等综合原因所致。
The results show that the wheel hub cracking during radial impact testing was caused by excessive content of magnesium in the alloy as well as the overheating of the alloy during the solution process.
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