Powder can be spread onto a tray and then solidified in the required pattern with a squirt of a liquid binder or by sintering it with a laser or an electron beam.
将粉末洒向一个托盘，然后用一小盘液体粘合剂把粉状物按需要的形状进行固化，或者用激光器或电子束管将其烧结成所需形状。
Single pass laser surface of the specimens using powder feeding method were obtained by varying the powder feeding rate and the preheating temperature of the substrate.
通过改变送粉激光熔覆过程中的扫描速度、送粉速率、基体预热温度等工艺参数，获得了单道激光熔覆层。
A series of experiments were carried out on Direct Metal Laser Sintering (DMLS) of 316 stainless steel powder.
采用直接金属激光烧结的方法，对316不锈钢粉末进行了一系列激光烧结实验。
The forming mechanism for the crack produced in the process of laser forming 316l stainless steel powder alloy has been studied in the paper by micro measurements.
采用微观测试分析方法，针对316L不锈钢粉末，深入研究了激光快速成形过程中熔覆层的开裂行为及其形成机理。
The distribution of powder clusters of finely ground slag was measured by means of laser granulometer and was modeled through RRSB linear regression.
以激光粒度分析方法对矿渣微粉试样进行了颗粒群分布测试，并以RRS B线性回归进行拟合。
The technics parameters, such as the laser power, scan velocity, powder feed rate and the Z axis increment, which influence quality and shape were analyzed in this article.
分析了主要工艺参数如：激光功率、扫描速度、送粉量以及Z轴增量对成型质量和形貌的影响。
The process of laser coating of super fine ceramic powder is discussed, and the hardness, roughness and adhesion force to the substrate of the coating are investigated.
介绍了激光熔覆陶瓷粉的工艺过程，并对熔覆层的硬度、粗糙度和熔覆与基底之间的结合情况进行了考察。
A series of experiments are carried out with selective laser sintering (SLS) for copper, copper nickel powder materials.
采用激光选区烧结的方法，对铜、镍-铜混合粉末进行了一系列激光烧结试验。
In this study we designed and made the preparation equipment of nano-silicon powder by LICVD (laser induced chemical vapor deposition), and introduced the designing thought of key parts.
本研究自行设计制作了激光诱导化学气相沉积(LICVD)纳米硅粉制备设备，并对关键部件的设计思路进行了阐述。
The solar energy polycrystalline silicon having higher purity grew through melting and coagulating silicon powder with high power CW CO2 laser.
采用大功率连续CO2激光熔凝掳粉末，生长得到纯度较高的太阳能多晶硅材料。
The processes of rapid forming solid parts by laser sintering ceramic powder include laser sintering and second sintering post treatment.
激光烧结陶瓷粉末快速成型三维零件的过程包括激光烧结和二次烧结后处理两个步骤。
The influence of the crystal orientation of the substrate on microstructure is investigated by multi layer laser cladding with the powder of nickel base superalloy.
采用镍基合金粉，研究了激光多层涂覆过程中基材晶体取向对涂层凝固组织的影响规律。
This paper designs a new kind of nozzle used for laser welding of zinc-coated steels with metal powder and studies the better modality of shielding gas and the powder beam with schlieren device.
本文设计了一套应用于镀锌板激光填充粉末焊接的喷嘴，并利用纹影仪等手段研究了该喷嘴的最佳保护气流量和最佳粉末束拘束度参数；
It indicates that laser micro-deposition of metallic powder has a bright prospect in laser surface modification of small parts and direct fabrication of fine and precise components.
结果表明，激光微沉积合金粉末技术在细小零件的激光表面改性及高精度小型零件的直接制备方面具有很好的应用开发前景。
In laser coaxial cladding, laser casing qualities are directly affected by temperature field of powder flow for the interaction between laser and powers.
在激光同轴送粉熔覆中，由于激光与粉末流相互作用，粉末流整体温度分布直接影响激光熔覆的质量。
Under different laser power condition, after interaction with laser beam, the temperature of the 316l stainless steel (ss) powder of different size is calculated.
系统计算了不同颗粒大小316L不锈钢粉末与不同功率激光束相互作用后的温度。
Research progresses of metallic powder materials and nano powder materials fabricated by selective laser sintering (SLS) were reviewed in brief.
综述了选择性激光烧结金属粉末材料和纳米粉末材料的研究进展。
The t-BN powder was analyzed by XRD, SEM and laser granularity analyzer.
用XRD、SEM及激光粒度分析等手段对所制各级化硼粉体进行研究。
This article introduces a new manufacture process of the sintered mould for matrix PDC bits by using laser rapid modeling technique, rubber mold forming technique and kaolin powder modeling technique.
探讨了一项利用激光快速成型技术、胶模成型技术、陶土粉成型技术制造PD C钻头烧结模具的新工艺。
A temperature rise model of laser cladding material powder by side-injection is established. In this model, the distribution of laser power is considered.
建立了侧向送粉激光熔覆粉末颗粒温升的数学模型，该模型可以考虑激光束的功率分布。
The process, known as additive manufacturing, allows the powder form of metals to be melted and then fused together into objects using a laser.
的过程中，被称为添加剂制造，允许金属的粉末形式可以熔融，然后熔合在一起成为使用激光的对象。
A method to calculate the interaction time between metal powder and laser beam during laser direct forming with the metal powder conveyed by coaxial powder feeder is introduced in detailed.
详细介绍了同轴送粉激光成形过程中，金属粉末与激光束相互作用时间的计算方法。
The microstructure of the Fe-based clad composite coating reinforced by in-situ particles was investigated, using laser clad FeCSiB powder added with niobium and titanium.
研究了单独添加不同含量的铌与复合添加铌、钛时激光熔覆铁基原位生成颗粒增强复合涂层的组织特点。
The anti-cavitation laser cladding technique for the surface of stainless steel is reviewed. The equipments, deposition process and laser cladding powder are introduced.
综述了国内外不锈钢抗空蚀激光表面熔覆技术的研究现状，介绍了该技术的特点，设备和抗空蚀熔覆粉末体系。
This paper studies the problem of the low manufacture quality of the laser sintering equipment for powder material by experiment.
针对粉末材料激光烧结设备成型质量不高的问题，进行了实验。
Polymer coated ceramic powder can be used to manufacture mold shell with selective laser sintering technology, and the mold shell is usually used to cast and produce metal part.
利用激光烧结快速成型技术可以烧结覆膜陶瓷材料，形成铸造用型腔壳体并直接应用于铸造，制作金属零件。
The absorption characteristics of eight kinds of powder layers coated on common metals have been investigated using CO_2 laser beam with low and high power density.
研究了八种金属材料表面涂布绝缘和非绝缘粉末层在低功率密度和高功率密度的CO_2激光作用下的吸收特性。
Laser three-dimensional shaping is a new research hotspot, and powder feed unit is the key to this technology.
激光三维快速立体成型已成为新的研究热点，送粉器是激光三维快速立体成型技术中的关键技术。
The influence of laser power, scanning speed, powder feed rate, spot diameter and preheating on the temperature of molten pool were revealed in the process of single-pass cladding.
在单道熔覆中通过跟踪测量研究了激光功率、扫描速度、送粉速率、光斑直径和基体预热温度对熔池温度的影响规律。
Obviously, this is very significant because the coaxial powder feeding laser cladding is easy to realize automation and big area cladding.
显然这是很有实际意义的，因为同轴送粉比预置粉末更易于实现自动化和大面积激光熔覆。
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