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铅锌合金的
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  lead-zine alloys
     Practice of Concretes Instead of Lead-zine Alloys on Rolling Mortar wall of Cone Crushers
     用混凝土代替圆锥轧臼壁上铅锌合金的实践
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  相似匹配句对
     Preparation of RE-Zinc Alloy
     稀土-合金的研制
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     Manufacture of Nickel-Zinc Alloy
     合金的研制
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     ZINC
    
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     LEAD
    
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     ELECTROFLOTATION OF A LEAD-ZINC ORE
     矿石的通电浮选
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The influences of the mold baking temperature,the pouring temperature and the pouring place on hign Al zinc alloy casting qualities were studied and the best selected measures in fusible plaster mold cast were indicated.

研究了富铅锌合金石膏型熔模铸造过程中铸型的焙烧温度、浇注位置和浇注温度对铸件质量的影响并指出了最佳解决措施。

The Composition, structure and morphology of Pb-Zn alloy electrodeposit and the one in which zinc was anodically dissolved were investigated by XRD and OM.The experimental results showed that the Pb-Zn alloy deposit could not be formed in solid solution. There were only diffraction peaks of different crystal planes corresponding to lead FCC and zinc HCP structures.Lead crystals in Pb-Zn alloy with lower Pb content were mainly with random orientation, whereas zinc crystals were with (002) plane preferred orientation.After...

The Composition, structure and morphology of Pb-Zn alloy electrodeposit and the one in which zinc was anodically dissolved were investigated by XRD and OM.The experimental results showed that the Pb-Zn alloy deposit could not be formed in solid solution. There were only diffraction peaks of different crystal planes corresponding to lead FCC and zinc HCP structures.Lead crystals in Pb-Zn alloy with lower Pb content were mainly with random orientation, whereas zinc crystals were with (002) plane preferred orientation.After the deposits were anodically dissolved, the diffraction peaks of lead crystals still existed but that of zinc crystals disappeared, and the diffraction peaks of orthorhombic PbSO. crystals emerged instead. PbZn alloy deposits consisted of taper grains in a regular but tough arrangement. As the zinc content increased the surfaces of deposits gradually become smooth, the taper grains smaller and in granular groups.

采用X-射线衍射(XRD)、金相显微镜技术及电化学方法研究了铅锌合金电沉积层和Zn经阳极溶出后的镀层结构、组成和表面形态。结果表明,Pb-Zn合金电沉积层不能形成固溶体。XRD图仅出现与铅面心立方结构以及与锌密集六方结构相对应的各品面衍射线,其中较低Pb含量的Pb-Zn合金中Pb基本上为无序取向的晶体,而Zn则为(002)晶面择优,但择优度不高。沉积层经控电位阳极溶出后,其XRD图仍存在铅晶体的各晶面衍射线,而锌晶休各晶面衍射线消失;同时也出现表征正棱形PbSO4晶体的各晶面衍射线。金相实验结果表明:铅锌电沉积层表面由排列整齐的棱锥状晶粒构成;随镀层中Zn含量的增大,沉积层表面逐渐平整,棱锥状晶粒变小,最终形成团粒状态。锌溶出后的铅晶电极表面由原来的凹凸不平变成平整,且晶粒显著细小。

The recent development of improving the properties of high aluminum ZA alloy is introduced. The underside shrinkage defect and the properties such as ductility, wear resistance, corrosion resistance, dimension stability, high temperature creep resistance are concerned. Furthermore, some suggestions are put forward for the future study.

介绍了近年来高铝锌合金的研究进展 ,主要涉及底缩缺陷、塑韧性、耐磨性、耐蚀性、尺寸稳定性、高温性能、抗蠕变性能等 ,并对高铅锌合金的进一步研究提出了建议。

 
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