spark plasma造句
例句與造句
- The leached product was sintered by hot pressing method and spark plasma sintering
通過(guò)測(cè)試電阻一溫度關(guān)系,在shs合成k - Characteristics of phase transition in spark plasma sintering of mechanically activated fe - al powders
燒結(jié)條件下的相變特征 - Thermoelectric properties of ce , la yfe1 . 0co3 . 0sb12 compounds synthesized by solid state reaction and spark plasma sintering
12的放電等離子燒結(jié)原位合成及熱電性能 - The la1 - xsrxmno3 powder has been sintered by constant pressure sintering , heat pressure sintering ( hp ) and spark plasma sintering ( sps )
通過(guò)無(wú)壓燒結(jié),熱壓燒結(jié)和sps燒結(jié)工藝對(duì)lal . xsrxmno3粉末進(jìn)行燒結(jié),其中sps燒結(jié)在900 ,保溫1omin得到的燒結(jié)樣品致密化程度最好。 - Cosb3 nano - powders were used as starting materials , and bulk thermoelectric materials were prepared by spark plasma sintering ( sps ) . we have investigated the influence of sintering temperature and sintering time on grains size
以納米和微米cosb _ 3粉末為原料,用放電等離子燒結(jié)( sps )方法制備cosb _ 3塊體材料,并探討了燒結(jié)溫度和時(shí)間對(duì)燒結(jié)體晶粒尺寸的影響。 - It's difficult to find spark plasma in a sentence. 用spark plasma造句挺難的
- In this thesis , we prepared the sample through the method of sol - gel , sintered the nano - meter powders by spark plasma sintering . we have made an analysis on the thermoelectric properties such as the seebeck coefficient and electrical conductivity of the samples with doped different elements such as na and ni
對(duì)不同的ni , na含量的熱電材料在中溫范圍下的熱電性能( 、 )進(jìn)行了測(cè)試,對(duì)此體系的熱電材料性能與摻雜量、溫度的關(guān)系進(jìn)行了研究。 - Spark plasma sintering ( sps ) is a kind of new sintering technology for materials synthesis and processing , it has such advantages as high sintering speed , low sintering temperature , it also can retain the origin state of the sintered materials , as such make the sintered materials keep the state of un - equilibrium in this paper , sps was conceived of treating iron covered silicon powder to keeping the origin state of the powder
放電等離子燒結(jié)( sparkplasmasintering簡(jiǎn)稱sps )是一種材料快速制備新技術(shù),它具有燒結(jié)速度快,燒結(jié)溫度低,使燒結(jié)材料處于遠(yuǎn)離平衡狀態(tài),并能保持材料的原有狀態(tài)等重要特點(diǎn)。本文設(shè)想制各出鐵硅包覆粉末,再利用sps進(jìn)行遠(yuǎn)離平衡狀態(tài)的處理,來(lái)獲得保持原始粉末自然狀態(tài)的合金塊體。 - In this work , un - doped and nano sic doped mgb2 / fe tapes and wires were fabricated by the powder in tube ( pit ) technique , and the short samples were synthesized through two different routes of the traditional vacuum sintering and the sparking plasma sintering ( sps ) . the sintering parameters were optimized in both sintering methods
本文采用粉末套管法( powderintube )原位( in - situ )制備了非摻雜和納米sic摻雜的mgb2 / fe超導(dǎo)線帶材,分別采用常規(guī)真空燒結(jié)和放電等離子燒結(jié)( sps )兩種方式合成mgb2超導(dǎo)相,優(yōu)化了燒結(jié)工藝參數(shù)。 - Pulse electric current heat treatment ( pecht ) developed by sodick , ltd . , of japan , is a recently developed material processing method which consists of spark plasma sintering and welding , plasma activated sintering and welding , big pulse electric current ( bpec ) diffusion welding etc . the following are basic merits of pecht : rapid heating and cooling ; short sintering or welding time ; lowering sintering or welding temperature
脈沖電流熱加工( pulseelectriccurrentheattreatment ,比如燒結(jié),焊接等)是九十年代發(fā)展起來(lái)的一種材料快速制備新技術(shù),它包括放電等離子燒結(jié)與焊接、等離子活化燒結(jié)與焊接、脈沖大電流擴(kuò)散焊接等。它具有升溫、降溫速度快、能在較低的溫度下燒結(jié)或焊接以及時(shí)間短的特點(diǎn)。 - The x - ray diffraction , scanning electronic microscope and the squid were used to characterize the properties of the mgb2 core in mgb2 / fe tapes and wires . the effect of the proportion of mg , b and sic as well as the sintering parameters on the phase formation , microstructure and the critical current densities of mgb2 / fe tapes and wires was discussed in details . the results showed that the high purity of mgb2 core could be synthesized by both the traditional vacuum sintering and the sparking plasma sintering and the vacuum sintering environment restrained the oxidation of mg effectively
相對(duì)于傳統(tǒng)真空燒結(jié), sps燒結(jié)方式成相速度快、樣品晶粒細(xì)小均勻、 mgb2超導(dǎo)芯致密性好、晶間連接優(yōu)良,因而sps燒結(jié)樣品的臨界電流密度明顯高于傳統(tǒng)真空燒結(jié)樣品,其中未摻雜的帶材樣品經(jīng)過(guò)sps800 , 15分鐘燒結(jié)后,自場(chǎng)下的臨界電流密度jc值在10k時(shí)達(dá)到8 . 64 105a / cm2 ,而且隨著測(cè)量溫度和外加磁場(chǎng)的增加, sps燒結(jié)樣品的臨界電流密度下降率比傳統(tǒng)真空燒結(jié)樣品緩慢,在20k ,自場(chǎng)時(shí)為5 . 97 105a / cm2 , 20k , 3t時(shí),臨界電流密度值仍大于104a / cm2 。