同时用维氏硬度计测量了合金的时效硬度变化。
The hardness was measured before and after the ageing treatment.
对不同焊接热输入下的6063铝合金焊接接头进行人工时效，分析其硬度分布和强度的变化。
Effects of artificial ageing on the hardness distributions and strength were analyzed for 6063 aluminum alloy joints welded by varying heat inputs.
结果表明，NBC合金经过分级时效处理后，耐磨性、 耐腐蚀性和电导率有所提高，而显微硬度无明显变化；
The results show that multi-stage aging treatment can increase wear resistance, corrosion resistance and electrical properties of NBC alloy, but microhardness has not changing apparently.
电场时效2014铝合金板的屈服强度和硬度的提高主要归因于其微观组织和织构的转变。
The increasing of the hardness and yield strength of 2014 aluminium alloy sheet with electric field aging are mainly due to evolution of microstructure and transformation of texture.
通过测试硬度的方法，对莫来石短纤维增强ZL 109复合材料的时效析出行为进行了研究。
The aging process of mullite short fibre reinforced ZL109 composites was studied via hardness test.
随着应变时效温度升高，强度和硬度增加，塑性和韧性下降，屈强比呈升高的趋势，形变强化指数降低。
With the strain aging temperature increasing, strength and hardness increases, plasticity and toughness decreases, yield ratio has the ascending trend, hardening index decreases.
研究了时效温度和保温时间对时效硬化型超低碳含铜钢的显微组织和硬度的影响。
The effects of the aging temperature and holding time on the microstructure and hardness of the ultra-low-carbon steel bearing copper were investigated.
用小角X射线散射研究了多级时效热处理中合金微结构的改变和硬度改变的机理。
The microstructure change and the mechanism of the change in hardness were studied by small-angle X-ray scattering.
本文研究了固溶时效后不同冷却方法对铜镍铍合金的硬度、电导率和冲击韧性的影响。
The effect of cooling regime after solid solution and aging treatment on hardness, electrical conductivity and impact toughness was investigated for Cu-Ni-Be alloy.
本文研究了不同热处理时效温度和时效时间对一种活塞环用钴基高温合金的抗拉强度、延伸率、硬度及组织的影响。
The effect of aging treatment on the tensile strength, elongation, hardness and microstructure of a cobalt base superalloy used for pistons rings was investigated in this paper.
试验结果表明，峰时效的硬度值为230.2，与相应的原始硬度比较增幅为120.2。
The test results showed that the peak ageing hardness was 230.2, increasing by 120.2 compared with the original hardness.
但随固溶温度的升高，时效后复合材料的硬度的提高幅度有下降趋势。
In addition, the hardness of the composite after aging decreases with the increase of solution temperature.
对化学沉积复合镀层的显微组织结构、显微硬度、时效处理时的晶化与过饱和相的析出以及复合镀层的耐磨往进行了测试。
The microstructure, characteristics of aging processes of the deposited coatings were studied. The microhardness, wear resistance and other properties were tested as well.
合金采用分级时效工艺处理后，可得到高的硬度(HV171)和较高的导电率(5 9.5 %IACS)。
When the grading aging is adopted, the high hardness (HV171) and electrical conductivity (59.5%iacs) will be obtained.
区，使得在随后的时效过程中形成高密度的强化相，减少自然时效的不利影响，提高合金的硬度。
Pre-aging increases the density and volume of precipitates after artificial aging, which decreases the disadvantage of the nature aging and improves the hardness of auto sheets.
两个时效峰的硬度和强度相差很小，在较低温度下时效第二峰的强度、硬度、塑性、韧性较高。
At lower temperature, the strength, hardness, plasticity and ductility of the alloy at the second ageing peak are higher than those at the first one.
结果发现，通过锻造和固溶时效均不能有效地达到所要求的高硬度。
The results show that the required high hardness can't be achieved after forging and solution-aging treatment.
对经时效处理后的含铜高纯钢进行了显微硬度测试。
Microhardness testing during aging treatment in high purity steel bearing copper was carried out.
时效温度增加，合金的导电率提高，但对合金硬度的影响有个最佳值。
Raising the ageing temperature will increase the conductivity, and for the hardness of the alloy there is an optimum value of this temperature.
对复合材料的时效动力学分析表明：硅酸铝短纤维的加入，使基体时效析出的硬度峰提前；时效动力学曲线上出现双硬度峰现象；
The analyses of the aging hardness curve of the composites showed that the additions of Al-silicate short fibber accelerated aging and there were double hardness peaks on the hardness curve.
此外，两次硬度试验表明，自然时效对两种状态合金的硬度分布存在影响。
In addition, two hardness tests showed that the natural aging has great influence on the hardness distribution in the two alloys.
结果表明，焊后时效处理温度不同，焊接接头各微区显微组织和硬度发生的变化不同。
The results show that different post-weld aging temperatures lead to variations in microstructure and micro-hardness across the weld.
对15 - 5PH不锈钢制零件进行时效处理，找到时效工艺对尺寸稳定性、硬度的影响规律，为制定合理的机加工艺路线提供依据。
The aging treatment of 15-5ph stainless parts was carried out, the influence rule of aging process on measure stability and hardness was found. It provides basis for working out the proper process.
透射电镜观察表明，焊接接头各微区的显微硬度变化主要与时效强化相的析出行为有关。
TEM observation revealed that the changes in micro-hardness of micro-areas across the weld are mainly related with the precipitate evolution during the aging process.
通过硬度测量和TEM分析的方法研究了电场对2e12铝合金时效硬化曲线和微观组织的影响。
Influence of electric field on the age hardening curve and microstructure of 2e12 aluminum alloy have been investigated by means of hardness-test and transmission electron microscopy (TEM).
采用理论计算、热影响区最高硬度试验和小铁研试验方法研究了超低碳含铜时效钢的抗裂性。
Cracking resistance of ultra-low cabon Cu-bearing age-hardening steels was studied in this paper by computing, maximum hardness in weld heat-affected zone test and Y-groove cracking test.
在相同时效时间条件下，随时效温度的升高，硬度逐渐增高，达极大值之后又降低。
However, with the increase of aging temperature, the hardness gradually increases, while reaching a maximum value then begins to decrease.
继续升高时效温度或延长时效时间会引起第二相长大而导致显微硬度的升降。
Further increase of aging temperature and time could lead to the growth of the secondary phase and thus decrease of microhardness.
提高时效温度，可提高合金的导电率，但对合金硬度的影响有个最佳值。
The proper Rare Eatth content added and ageing temperature increased improve conductivity of the alloy, and the effect of ageing temperature on hardness has an optimum value.
提高时效温度，可提高合金的导电率，但对合金硬度的影响有个最佳值。
The proper Rare Eatth content added and ageing temperature increased improve conductivity of the alloy, and the effect of ageing temperature on hardness has an optimum value.
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