The mutual action of Precipitation and recrystallization and its effects on the microhardness of RS Cu-Cr-Zr-Mg alloy upon aging were investigated in this paper.
本文研究了快速凝固Cu—Cr—Zr一Mg合金在时效过程中，析出与再结晶的交互作用及其对显微硬度的影响。
RJ3 series Pit al-alloy Ageing Furnace is a sort of energy-saving cycle operation Aging Furnace.
RJ3系列井式铝合金时效炉系节能型周期作业式时效炉，供铝合金压铸件、铝型材、活塞等铝合金零件在高均温状态下进行时效热处理。
2519 High strength aluminum alloy was welded, and the effect of aging treatment and solution treatment on the microstructure and mechanical properties were investigated.
通过以2519高强铝合金为研究对象，研究了单独时效处理和固溶再时效处理对接头组织和性能的影响。
Microstructures and mechanical properties of AZ91 magnesium alloy after homogenized, hot extrusion and succedent aging are investigated.
通过对均匀化退火后的AZ91镁合金热挤压以及随后的时效处理，分析了形变及时效过程对材料组织与性能的影响。
The results show that the air quenching at room temperature decreases the tensile strength and exfoliation corrosion-resistance properties of the alloy after aging at T6 treatment. The elongation of the alloy with water quenching at room temperature is higher than that of the alloy with oil quenching at room temperature.
结果表明：铝合金在空气中自然冷却时，T6时效态合金的抗拉强度与抗剥落腐蚀性能层严重降低；而室温水淬的T6时效态合金比室温油淬的T6时效态合金具有更好的塑性。
The effect of melt overheating on the morphology of Al 9FeNi phase in 2618 aluminum alloy with high contents of Fe and Ni and the mechanical properties of 2618 alloy after hot extrusion and quenching followed aging have been tested and investigated.
采用光学显微镜，扫描电镜研究了熔体过热对高铁、镍含量的 2 6 18合金组织中Al9FeNi相形态的影响，并测试了 2 6 18合金经热挤压和淬火时效(T6态)后的力学性能。
Those show that the fracture toughness of this alloy has degraded with the extension of aging time at 350℃.
这些均说明，随着时效时间的延长，该材料的韧性降低，发生了脆化，且脆化主要发生在试验的初始阶段。
The aging process at 150℃, compared to the one at 163℃, enables the alloy to reach the same strength, but much higher ductility level, due to its shorter PFZ distance, grain boundary free of stable phases, and fracture surface featured by plastic deformation.
经150℃时效和163℃时效的合金具有相同水平的拉伸性能，而前者韧性更优，窄的PFZ和无稳定相存在的晶界以及塑变迹象明显的断口，是其具有高Kc的主要机制。
The effect of natural aging on the microstructures ofAl-Li-Cu-Mg-Zr alloy was studied by transmission electron microscopy and Vickers hardness tester.
采用透射电镜和维氏硬度计详细研究淬火后与人工时效前的时间间隔对Al-Li-Cu-Mg合金的影响。
Alloy precipitation aging behavior has been studied by transmission electron microscopy and Vickers hardness tester after retrogression and reaging treatment.
采用透射电镜和维氏硬度计研究了回归再时效处理对 70 50合金的的影响。
It is shown that Mn and Ti had refined the microstructure, and formed to precipitation affluent of Mn or Ti, which approved the performance of the shape memory alloy. For a certain strain, the shape memory effect varyied functionly together with the aging time:alloy performance the best coorp...
结果表明：Cu-Al-X系形状记忆合金中，Mn和Ti的加入细化了组织，并且形成了富Mn和富Ti相，起到沉淀强化和弥散强化的作用；对于同一种变形量，合金在母相时效时，形状记忆效应随时效保温时间呈现规律性变化，不同时效温度下，合金对应一个不同的时效时间，此时合金的显微组织呈现最佳自协作状态，马氏体板条细密有序，富Ti和Al相均匀的弥散在组织中，合金中没有或很少有共析相出现，且随着时效时间的延长，在不同的特定温度下，Cu-24Al-3Mn-2Ti合金的组织会有规律性的变化。
The results show that the corrosion rate of the aged alloy increases with aging time until1193 h and thenceforwards decreases again. The T4 alloy shows the lowest corrosion rate, and the F alloy exhibits the highest corrosion rate.
结果表明，时效时间为193小时之前，合金的腐蚀速率随时效时间增加而增加，之后有所降低；T4态合金的耐蚀性最好，F态最差。
The techniques such as Solid solution or aging or forming or fine crystal and their combination were an effective method which benefit for high conductivity and high strengthen of copper base alloy.
连铸是实现该转变的重要工艺手段，其中连铸结晶器质量的好坏直接影响铸坯的质量和连铸机的作业率。
An embodiment of the present invention comprises processing a beta titanium alloy by a method including the steps of cold working the alloy and then direct aging the alloy for a total aging time of less than 4 hours.
本发明的实施方案通过包括以下步骤的方法处理β钛合金：冷加工合金，和进行直接老化合金的总时间少于4小时。
On the condition of peak aging, ZL107 alloy shows lower apparent activation energy in cyclic creep in comparison with that in static creep and an analysis based on a thermal vacany is introduced to explain result on the condition of over-aging.
经峰时效处理的ZL107合金在循环蠕变中表现出较静态蠕变低的激活能，用非热空位机制进行了解释，而经过时效处理的ZL107合金表现出高的激活能，滞弹性机制起了重要作用。
The investigations on the isothermal aging processes of CuAlNiMnTi alloy at intermediate temperatures (250~400℃) indicated that there are three distinct stages:①the DO〓(L2〓) atomic reordering during initial stage of aging, resulting in an increase in martensitic transformation temperatures; ②formation of bainite which enriches the retained parent phase matrix and lowers the martensitic transformation temperatures, accompanied by atomic disordering in both the bainite and parent phases; and③decompositions of bainite and parent phase and the complete destroy of shape memory capacity.
结果表明，合金经历了马氏体稳定化及逆转变、母相态原子再有序化、由DO〓和L2〓形成单一DO〓-L2〓相、DO〓（L2〓）长程有序基体中原子无序化、贫溶质原子的贝氏体的形成、DO〓（L2〓）→B2转变及贝氏体的脱溶和母相平衡分解等相变过程。
It is found that the alloy decomposed into a 2:17 phase and a 1:5 phase as soon as the aging treatment started, and the precipitates at grain boundaries have an effect on the enhancement of coercivity. The variation of intrinsic c...
试验结果表明：合金一经时效，就由单相固溶体分解为2：17相和1：5相，在随后降低温度的等级时效过程中，内禀矫顽力H_的提高可以认为是由两相成分的变化进而导致畴壁能差的变化引起的，另外时效过程中产生的晶界析出物对矫顽力的提高也起了一定的作用。
Aging at room temperature for 2 months the shape recovery rate of the alloy has not evidently deteriorated.
室温下其抗拉强度约为550 MPa，屈服强度约为380 MPa，塑性延伸率约为7%。
It has been shown that the microhardnesses of the Cu Cr alloy are remarkably enhanced after proper aging treatment, and the coherent dispersion strengthening is proved to be the major factors contributing to the improvement of hardness of the alloy when ageing temperature isn't greater than 500℃; Overageing results in disappearance of the coherent dispersion strengthening and the microhardnesses of the Cu Cr alloy suddenly drop when ageing temperature at 600℃.
快速凝固 Cu- Cr合金因为能细化晶粒和增加铬在铜中的固溶度，而使合金有更高的强度和硬度，同时，若对快凝后的合金进行时效处理，促使弥散相铬粒子析出，可进一步改善合金的性能(强度和硬度更高，导电性能回升)。以前人们主要研究低铬(。8%) Cu- Cr合金的时效强化问题[1，2] ，对高铬 Cu- Cr合金的研究甚少。随着现代工业的发展，需要 Cu- Cr合金有更优越的性能。
Stress free aging and age forming of 2324 and 7075 aluminum alloy was studied through mechanics experiment and microstructure observation with OM, SEM, TEM and EPMA. The microstructure evolution under the two different states was observed and the variation was explained; the main mechanical performance including strength, elongation, toughness and fatigue crack propagation rate was compared and the difference was analyzed.
本文通过力学实验，借助光学显微镜、扫描电子显微镜、透射电子显微镜和电子探针等，研究了2324和7075铝合金的无应力时效和时效成形，对2324和7075在两种不同的处理状态下的微观组织进行了观察分析，并解释了析出相的变化；对主要力学性能如强度、延伸率、断裂韧性和疲劳裂纹扩展速率进行了对比并分析了其差别的原因。