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   时效硬度 在 材料科学 分类中 的翻译结果: 查询用时:0.53秒
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时效硬度
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  aged hardness
    Short mullite fiber not only increases the aged hardness of Al 4.5Cu alloy, but also accelerates the age precipitation process.
    莫来石纤维除了能明显提高Al 4 .5Cu合金的时效硬度外 ,还能加速其时效析出过程 ;
短句来源
    The aged hardness of Al Cu alloys is increased when synthesized with the short mullite fibres, which obviously accelerates the age hardening progress of Al Cu alloys and suppresses the formation of GP zones. But the sequence of precipitates has not been changed in the testing composites. [
    Mullite纤维的引入提高了Al Cu合金的时效硬度 ,明显加速了Al Cu合金的时效硬化过程 ,对GP区的形成有抑制作用 ,但不影响基体沉淀相的析出顺序
短句来源
    The aged hardness of the composite is always higher than that of the monolithic alloy,but there appears little difference between the times needed in the composite and in the monolith to reach the peak hardness, which means that the acceleration effect of mullite fibre on the precipitation of Al Cu Mg alloy is not great enough.
    结果表明 :mullite纤维的引入抑制了GPB区的形成 ,提高了基体合金的时效硬度 ,但纤维加速复合材料时效硬化的作用不明显。
短句来源
    The aged hardness of the composite is much higher than that of the matrix alloy in the whole isothermal ageing process. The ageing precipitation sequence of the matrix alloy has not been changed and the SSS→GP reaction controlled by vacancy diffusion at low temperature has not been significantly suppressed with the synthesization of short mullite fibre.
    在整个时效过程中 ,复合材料的时效硬度明显高于基体合金 ,纤维的引入没有改变基体合金时效析出序列 ,对低温下由空位扩散控制的SSS -GP反应无明显的抑制作用 ;
短句来源
    Short mullite fibre not only increase the aged hardness of Al 3.5Cu alloy but also accelerate the ageing precipitation. It is also found that the GP zone formation is greatly suppressed by short mullite fibre while the precipitation of θ(Al 2Cu) is nearly unchanged .
    莫来石纤维除了能明显提高Al 3.5Cu合金的时效硬度外 ,还能加速其时效析出进程 ,但对GP区的形成具有明显的抑制作用 ,而对θ相的析出影响不大
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    The mullite fibre added to the base alloy has increased the age hardness and to some extent accelerated the age hardening progress of Al 0.95Mg 0.85Si alloy,but mullite fibre has not obviously suppressed the reaction of SSS→GP controlled by vacancy diffusion at low temperature.
    Mullite纤维的引入明显提高了基体合金的时效硬度 ,并一定程度地加速了 Al- 0 .95 Mg- 0 .85 Si合金的时效硬化过程 ,但对低温下由空位扩散控制的 SSS→GP反应无明显抑制 ;
短句来源
    The addition of Cd promotes the age-hardening process of Al-Si-Cu-Mg alloy, increases the peak hardness and reduces the time to reach peak hardness.
    合金元素Cd的添加促进了铸造Al-Si-Cu-Mg合金的时效过程,提高了合金的峰时效硬度,加快了合金的硬化速度.
短句来源
    Due to solution of β-Mg_ 17 Al_ 12 phase,the hardness of the composite decreases after T4 treatment,and then increases during subsequent ageing treatment. The hardness is improved by 14.9% after 415℃×12h solution heat treatment and then aging at 175℃ for 16h(T6 treatment).
    由于β-Mg17Al12相的溶解,T4处理会降低该材料的硬度,但随后的时效析出可提高其硬度,415℃×12h固溶处理后175℃×16h(T6)时效,硬度可提高14.9%。
短句来源
    , The ageing precipitation sequence of Mullite/Al-4.5Cu composite and Al-4.5Cu alloy with retained deformation have been respectively detected by differential scanning calorimetry (DSC) , The morpholojies of the precipitates have also been observed by scanning electron microscope and transmission electron microscope(TEM) and energy dispersive X-ray spectroscopy (EDX).
    残余形变对Al-4.5Cu合金及Mullite/Al-4.5Cu复合材料具有明显的强化作用。 欠时效阶段,形变处理试样的时效硬度远高于无形变试样,但随着形变度增加(>12.5%),峰值硬度随之降低。
短句来源
    The ageing-harding method was used to get the dynamics curve of aging. By means of Optical microscopy, TEM and other experiments, the influence of precipitation on the microstructure, mechanical properties and welding performance were studied.
    本文采用时效硬度法测试了试验钢的析出动力学曲线,用光学显微镜和TEM等检测手段,观察了试验钢的金相显微组织和第二相粒子的析出行为,研究了第二相粒子析出行为对试验钢的显微组织、力学性能和焊接性能的影响。
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  aged hardness
Ge and Sb, however, showed a negative effect on the aged hardness of the alloys.
      


In this paper.aging behaviors of rapidly solidified (RS) Al-Cu-Mg alloymade by centifugal atomization method were studied,It has been shown that the aginghardness of RS Al-Cu-Mg alloy rises with the increasc of aging ternperature at first,andthen the hardness decreases very slowly after the peak of hardness. During continuous heating,RS Al-Cu-Mg alloy has the formation of S"phase,and S' phase grew slowly. The results are explained and confirrned by microstructure, precipitation activation energy and differential...

In this paper.aging behaviors of rapidly solidified (RS) Al-Cu-Mg alloymade by centifugal atomization method were studied,It has been shown that the aginghardness of RS Al-Cu-Mg alloy rises with the increasc of aging ternperature at first,andthen the hardness decreases very slowly after the peak of hardness. During continuous heating,RS Al-Cu-Mg alloy has the formation of S"phase,and S' phase grew slowly. The results are explained and confirrned by microstructure, precipitation activation energy and differential scanning calormeter (DSC).

对离心雾化法制得的快速凝固Al-Cu-Mg合金的时效特征进行了研究。结果表明,随时效温度的升高,快速凝固Al-Cu-Mg合金的时效硬度峰值增加,且达峰值后硬度下降缓慢。在连续加热时效过程中,快速凝固Al-Cu-Mg合金有S”相形成过程,且S’相形成长大过程比较缓慢。从时效析出激活能、连续加热过程分析等方面进行了解释和验证。

The aging process of mullite short fibre reinforced ZL109 composites was studied via hardness test. It showed that the composite has a higher peak aging hardness value than that of matrix alloy. The aging kinetic curve of ZL109 and the composite agreed with the power function. Addition of mullite short fibre can accelerate precipitation in early aging stage and speed up composite's soften rate in later aging stage, but not alter the precipitation sequence in matrix.

通过测试硬度的方法,对莫来石短纤维增强ZL109复合材料的时效析出行为进行了研究。结果表明,由于莫来石短纤维的加入,使复合材料峰值时效硬度明显高于基体。复合材料与基体从固溶态到峰值硬度的时效动力学曲线满足指数关系。增强体的加入既能加速时效前期沉淀析出又可加快时效后期复合材料的软化,但不改变基体沉淀相的析出顺序,而只影响其析出速度。

Mullite short fibre reinforced Al 0.95Mg 0.85Si composite was fabricated through squeeze casting.Ageing behavior of mullite/Al 0.95Mg 0.85Si and its mother alloy has been studied by means of hardness measurement (HB),differential scanning calorimetry (DSC) and transmission electron microscope (TEM).It is shown that whether the composite or the base alloy,they both have the similar age hardening curves and the same precipitation sequence.The mullite fibre added to the base alloy has increased the age hardness...

Mullite short fibre reinforced Al 0.95Mg 0.85Si composite was fabricated through squeeze casting.Ageing behavior of mullite/Al 0.95Mg 0.85Si and its mother alloy has been studied by means of hardness measurement (HB),differential scanning calorimetry (DSC) and transmission electron microscope (TEM).It is shown that whether the composite or the base alloy,they both have the similar age hardening curves and the same precipitation sequence.The mullite fibre added to the base alloy has increased the age hardness and to some extent accelerated the age hardening progress of Al 0.95Mg 0.85Si alloy,but mullite fibre has not obviously suppressed the reaction of SSS→GP controlled by vacancy diffusion at low temperature.Temperature has the similar effect on the age hardening behavior of mulliteAl 0.95Mg 0.85Si composite and the mother alloy.

用挤压铸造方法制备 Mullite/Al- 0 .95 M- 0 .85 Si复合材料。用硬度测试、差示扫描量热仪 (DSC)和透射电镜 (TEM)等手段 ,研究了莫来石短纤维增强 Al- 0 .95 Mg- 0 .85 Si复合材料及其基体合金的时效行为。结果表明 :无论是复合材料还是基体合金 ,它们都具有相似的时效硬化曲线及相同的析出序列 ;Mullite纤维的引入明显提高了基体合金的时效硬度 ,并一定程度地加速了 Al- 0 .95 Mg- 0 .85 Si合金的时效硬化过程 ,但对低温下由空位扩散控制的 SSS→GP反应无明显抑制 ;温度对复合材料及其基体合金时效硬化行为的影响基本一致

 
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