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Preliminary Studies and Researches on the Elaboration of Gradual Porous Sintered Structures by Powder Sedimentation

机译：粉末沉降细化渐进多孔烧结结构的初步研究

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Spherical bronze powders were used for studies the obtaining of gradual porous structures by sedimentation and sintering methods. The powder size classes above 100 urn were used for the manufacturing of the macroporous support by spreading the powder into the sintering die. Sintering was conducted in vacuum (10~(-4) Torr) at a temperature of 750 ℃ for 40 minutes. On the macroporous support a layer of fine powder fraction was deposited by gravitational sedimentation. The deposited layers were consolidated by sintering at 750 ℃ for 30 minutes. The analysis of the gradual porous layers was done using scanning electron microscopy and mercury porosimetry. The fluids viscosity influences the sedimentation velocity of particles. The height of the column directly affects the quality of porous structure. If the sedimentary column is short, the turbulences created by adding the suspension of the dispersed powder in the sedimentary tube are more harmful.

机译：球形青铜粉用于研究通过沉降和烧结方法获得的渐进多孔结构。通过将粉末散布到烧结模具中，将100微米以上的粉末尺寸等级用于制造大孔载体。在真空（10〜（-4）Torr）中于750℃的温度下烧结40分钟。通过重力沉降在大孔载体上沉积细粉部分层。通过在750℃下烧结30分钟来固结沉积层。使用扫描电子显微镜和水银孔率法对渐变多孔层进行分析。流体粘度影响颗粒的沉降速度。柱的高度直接影响多孔结构的质量。如果沉淀柱较短，则通过在沉淀管中添加分散粉末的悬浮液而产生的湍流更加有害。

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来源
《Researches in Powder Metallurgy》|2009年|p.137-140|共4页
会议地点 Craiova(RO);Craiova(RO)
作者
loan Vida-Simiti; Nicolaie Jumate; Valentin Moldovan; Niculina Sechel; Gyorgy Thalmaier;
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作者单位

Technical University of Cluj-Napoca Bd. Muncii, no.103-105, Cluj - Napoca, 400641, Romania;

Technical University of Cluj-Napoca Bd. Muncii, no.103-105, Cluj - Napoca, 400641, Romania;

Technical University of Cluj-Napoca Bd. Muncii, no.103-105, Cluj - Napoca, 400641, Romania;

Technical University of Cluj-Napoca Bd. Muncii, no.103-105, Cluj - Napoca, 400641, Romania;

Technical University of Cluj-Napoca Bd. Muncii, no.103-105, Cluj - Napoca, 400641, Romania;

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原文格式 PDF
正文语种 eng
中图分类粉末冶金（金属陶瓷工艺）;
关键词
sedimentation; sintering; gradual structure; porous material; filters.;

机译：沉降;烧结;渐进结构多孔材料过滤器。;

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专利

1. Preliminary Studies and Researches on the Elaboration of Gradual Porous Sintered Structures by Powder Sedimentation [J] . loan Vida-Simiti, Nicolaie Jumate, Valentin Moldovan, Materials Science Forum . 2011,第期

机译：粉末沉降细化渐进多孔烧结结构的初步研究
2. Studies and researches on the obtaining of sintered gradual porous structures by irregular nickel powders sedimentation [J] . Moldovan V., Vida-Simiti I., Jumate N., Diffusion and Defect Data. Solid State Data, Part B. Solid State Phenomena . 2012,第Null期

机译：不规则镍粉沉降获得烧结渐进多孔结构的研究
3. Gradualism in sintered porous materials obtained by powders sedimentation [J] . Vida-Simiti I., Jumate N., Moldovan V., Journal of optoelectronics and advanced materials . 2011,第9a10期

机译：通过粉末沉降获得的多孔烧结材料的渐进性
4. Studies and Researches on the Obtaining of Sintered Gradual Porous Structures by Irregular Nickel Powders Sedimentation [C] . V. Moldovan, I. Vida-Simiti, N. Jumate, International Conference on Advanced Materials and Structures . 2012

机译：不规则镍粉末沉淀物烧结曲率曲率结构的研究及研究
5. INFLUENCE OF HIGH ENERGY VIBRAMILLING ON THE ANNEALED AND SINTERED STRUCTURES AND PROPERTIES OF AN IRON-27 NICKEL-16 CHROMIUM AUSTENITIC POWDER METALLURGY STEEL. [D] . PATEL, ASPI NANABHAI. 1981

机译：高能振动对铁27镍16铬奥氏体粉末冶金钢的退火烧结结构和性能的影响。
6. Microstructure and Mechanical Behavior of Porous Ti–6Al–4V Processed by Spherical Powder Sintering [O] . Lucía Reig, Concepción Tojal, David J. Busquets, 2013

机译：球形粉末烧结Ti-6Al-4V多孔组织的力学性能
7. FEATURES OF FORMATION OF GRADIENT POROUS AND COMPACT POROUS POWDER STRUCTURES BY SELECTIVE LASER SINTERING OF TITANIUM GRADE VT1-0 SPHERICAL POWDER [O] . Dmitry Minko 2018

机译：通过选择性激光烧结钛级VT1-0球面粉末形成梯度多孔和紧凑型多孔粉末结构的特征

Preliminary Studies and Researches on the Elaboration of Gradual Porous Sintered Structures by Powder Sedimentation

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