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selective laser sintering
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  selective laser sintering
Selective laser sintering was first done mainly on polymers and nylon to create prototypes for audio-visual help and fit-to-form tests.
      
This article presents an overview of selective laser sintering (SLS) work as reported in various journals and proceedings.
      
Selective laser sintering: A qualitative and objective approach
      
Producing metal parts with selective laser sintering/hot isostatic pressing
      
Selective laser sintering can produce complexly shaped metal components with an integral, gas-impermeable skin.
      
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Free Fabrication of Nano-Al-2O-3 bulk Materials by Selective Laser Sintering (SLS) technology with Nano-Al-2O-3 powder was achieved.The results show that the Nano-Al-2O-3 powder Materials can be sintered freely to bulk materials with the proper process parameters.The bulk material is compact and the grain size of it is less than 40nm,close to the original dimension of powder materials.Compared with other sintering methods,the nano-ceramic materials with the finer grain size and the higher density...

Free Fabrication of Nano-Al-2O-3 bulk Materials by Selective Laser Sintering (SLS) technology with Nano-Al-2O-3 powder was achieved.The results show that the Nano-Al-2O-3 powder Materials can be sintered freely to bulk materials with the proper process parameters.The bulk material is compact and the grain size of it is less than 40nm,close to the original dimension of powder materials.Compared with other sintering methods,the nano-ceramic materials with the finer grain size and the higher density can be obtained by SLS technology.

基于选区激光烧结快速成形技术 ,以纳米Al2 O3粉体材料为研究对象 ,进行了自由形状纳米块体材料制备的研究。研究结果表明 ,在适当的工艺参数下 ,可制备出任意形状的Al2 O3块体材料 ,材料内部组织结构致密 ,晶粒尺寸保持在 40nm以内。与其他烧结方法相比 ,激光烧结制备的纳米材料晶粒尺寸更为细小 ,组织结构更为致密

A new practical method for preparation of bulk polymer/Al_2O_3 nano-composites by selective laser sintering(SLS) was introduced. The results show that under the proper processing parameter conditions, surface pretreatment polymer and nano-Al_2O_3 mixture powders can be produced into bulk polymer/Al_2O_3 nano-composites, which nano-sized Al_2O_3 particles are uniformly located within polymer matrix, and different properties of polymer/nano-composite can be obtained by controlling laser power , scanning...

A new practical method for preparation of bulk polymer/Al_2O_3 nano-composites by selective laser sintering(SLS) was introduced. The results show that under the proper processing parameter conditions, surface pretreatment polymer and nano-Al_2O_3 mixture powders can be produced into bulk polymer/Al_2O_3 nano-composites, which nano-sized Al_2O_3 particles are uniformly located within polymer matrix, and different properties of polymer/nano-composite can be obtained by controlling laser power , scanning speed and other factors.

介绍了一种新的简单实用的制备大块聚合物/无机纳米复合材料的方法,即探索性地采用选择性激光烧结(SLS)法来制备聚合物/Al2O3纳米复合材料。结果表明,以表面已预处理的聚合物与纳米粒子Al2O3混合粉料作为SLS用粉,在一定的激光烧结工艺参数条件下,可将其烧结成纳米粒子均匀分散在聚合物基体中的块体材料;并可通过控制激光功率和扫描速度等激光烧结工艺参数获得不同性能的聚合物/纳米复合材料。

With rapid prototyping introduced to the process of nano material,experiments on slective laser sintering of nano-alumina are carried out and effect of sintering parameters on the process is analyzed systematically.A reasonable selective laser sintering technique of nano-alumina which can be used to fabricate nano-structured parts with free shape is obtained and verified with a multi-layer sintering experiment.The component and the microstructure of the sintering production is tested.It is...

With rapid prototyping introduced to the process of nano material,experiments on slective laser sintering of nano-alumina are carried out and effect of sintering parameters on the process is analyzed systematically.A reasonable selective laser sintering technique of nano-alumina which can be used to fabricate nano-structured parts with free shape is obtained and verified with a multi-layer sintering experiment.The component and the microstructure of the sintering production is tested.It is indicated that with the selective laser sintering technique obtained above,nano-alumina can be processed to manufacture three-dimension nano-structured parts with free shape,the crystal size of the production is almost kept the same as that of alumina powder.

将快速成型技术引入纳米材料成型领域 ,在Al2 O3 纳米粉末的选择性激光烧结试验基础上 ,系统分析了纳米陶瓷材料激光烧结工艺的影响因素 ,初选了烧结参数 ,得到了较为合理的纳米Al2 O3 粉末激光烧结工艺。通过多层烧结试验对其进行了验证 ,对烧结制件进行了成分、微观组织等检测分析。试验表明 ,采用得到的选择性激光烧结工艺 ,可以实现纳米Al2 O3 的自由成型 ,烧结制件内部组织保持纳米结构 ,材料晶粒尺寸基本不长大。

 
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