燒結密度 的英文怎麼說

中文拼音 [shāojiē]
燒結密度 英文
sintered density
  • : Ⅰ動詞1 (使東西著火) burn 2 (加熱或接觸某些化學藥品、放射性物質等使物體起變化) cook; bake; hea...
  • : 結動詞(長出果實或種子) bear (fruit); form (seed)
  • : Ⅰ名詞1 (秘密) secret 2 [紡織] (密度) density 3 (姓氏) a surname Ⅱ形容詞1 (距離近; 空隙小)...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  1. Results show that : ( 1 ) for each particle size of andalusite, variation tendency of the properties of the material is generally the same : the maximum of bulk density, compressive strength and rupture strength appears in the range of 5 % - 10 % content of fiber, these properties of the material remarkably decrease as the fiber content exceed 10 % ; while at the same fiber content, the properties of the material increase with the increase of firing temperature

    果表明: ( 1 )對于不同粒的原料,性能變化規律大致相同:在同一成溫下,體積、常溫耐壓強、常溫抗折強在5 10之間出現峰值,加入量超過10之後材料的性能明顯下降;在相同的纖維含量下,隨著成溫的提高,試樣的各項性能均有所上升。
  2. The influence of burning system on the properties and structure of the ceramic capacitors has been studied under the certain temperature system, the optimum sintering temperature of the ceramics was primarily decided by the content of bi2o3 ? 3tio2. the sintering temperature dropped with the adding of bi2o3 ? 3tio2. at the range of suitable sintering temperature, slow heating and low temperature sintering can obtain fine grain and dense structure. it results in the improving of the breakdown voltage for the middle - high voltage ceramic capacitors

    研究了成工藝制對電容器陶瓷性能和構的影響,果表明:在一定的升溫保溫時間下,瓷料的最佳主要取決于組成中bi _ 2o _ 3 ? 3tio _ 2的含量, bi _ 2o _ 3 ? 3tio _ 2含量的增加將降低;在合理的范圍內,慢速升溫和低溫將有利於得到細晶緻構,從而改善中高壓陶瓷電容器的耐壓強
  3. This paper systematically discussed the fundamental, characteristics, research status and equipment of microwave sintering, and introduced the preparation and development of sintered ndfeb magnets, on the basis of which the effects of the parameters on the heating rate and sintering temperature were investigated. and by means of optical metallurgical analysis, x - ray diffraction analysis and the measurement of density and magnetic properties, the paper compared the properties and technology of ndfeb magnets sintered in microwave magnetic field with that of magnets sintered in conventional heating process

    本文系統論述了微波基本原理、特點、研究現狀和設備,介紹了ndfeb制備工藝和發展,在此基礎上研究了微波磁場ndfeb永磁材料過程中各因素對升溫速率、的影響,並通過金相顯微分析、 x射線衍射分析、及磁性能測試等手段,將微波磁場的ndfeb磁體與常規的磁體進行了工藝與性能的對比分析。
  4. The experimental data has been used to validate pdm and low temperature sintering mechanics. the advantage and disadvantage of pdm have been discussed also. for the first time, the pdm is used to study the low temperature sintering mechanics of uo _ 2, and the research results indicate : 1

    3 、基於頸長大速率與緻化動力學方程得出,影響二氧化鈾低溫的因素有原始粉末粒徑、粉末堆積方式、坯塊原始時間、氣氛等;粉末壓坯一定時,時間和氣氛就成為控制低溫的關鍵因素。
  5. Along with the rising of sintering temperature and the increasing of heat preservation time, the porosity and water absorption reduced, the density and bending strength increased, the bending strength was mostly estimated by the porosity

    隨著的升高和保溫時間的延長,顯氣孔率和吸水率逐漸減小,體積逐漸增加。抗彎強隨著的升高和保溫時間的延長而增加,多孔體的強可以主要通過氣孔率來判斷。
  6. Using continuous compacting progress dy2o3 / zro2 materials can be sintered at low temperature. 98. 8 % of theory density was obtained for ultrafine dy2o3 / zro2 ceramic power sintering at 1200, which is 400 lower than the sintering temperature of the common ceramic power. it studied the influence of sintering temperature on the crystalline grain of power by sem

    採用二次成型常壓法對氧化鋯/氧化鏑的納米粉體進行,在1200左右得到燒結密度為理論的98 . 8的陶瓷體,其比常規陶瓷粉末的低四百左右,通過掃描電鏡研究了體晶粒大小的影響。
  7. Samples with various compositions were prepared through different calcined temperature, sinter temperature and different maintained time at sinter temperature. the structure, density, shrinkage, and piezoelectric properties were investigated

    選取部分組成點,採用不同的預合成溫和保溫時間制各樣品,測試各樣品的晶體構、體積、線收縮率和壓電性能。
  8. Both of the two ways can reach fb5b standard of tdk company. the coercive force of strontium permagnetferrite can be improved when a12o3 or cr2o3 was added to caco3 - sio2 or caco3 - hbo3 multi - additives. ( 4 ) comparing with normal caco3 and sio2, the nano caco3 and sio2 improve the magnetic. for the nano caco3 and sio2 have high chemical activations and excellent distribution, the density of permagnetferrite can be improved and the sinter temperature of it can be reduced

    納米caco _ 3 、 sio _ 2與普通caco _ 3 、 sio _ 2加入相比,鍶鐵氧體永磁獲得的最佳磁性能高,獲得最佳磁性能的添加量范圍變寬,即納米caco _ 3 、 sio _ 2提高了磁性能的穩定性,有利於大生產時鍶鐵氧體永磁的磁性能的穩定,對生產有重要的指導四川大學碩士論文意義;由於納米caco3 、 510 :分佈更均勻,具有高的化學活性,降低了銘鐵氧體永磁的最佳,提高了銘鐵氧體永磁的燒結密度,因而增大了caco3 、 510 :添加劑對銘鐵氧體永磁的改性效果。
  9. The influences of the burning system on the microstructure and denseness of the dielectric ceramics have been studied with sem. different burning systems lead to different microstructure and denseness, so the dielectric properties is different

    用掃描電鏡分析技術研究了成制對瓷介材料構、緻情況的影響,發現不同對瓷介材料的構、緻情況不一樣,因而介電性能也就不同。
  10. When sintering temperature and sintering time are 625 c and 7min respectively, the densenfied bulk thermoelectric materials with mean grains size of 100nm were prepared

    為625 ,時間7min時,得到了最小平均晶粒尺寸為100nm的cosb _ 3實塊體材料。
  11. Any products were prepared without impurities. the sps method was used to sintering the zrnisn - based compounds. the influence of different reaction temperature and holding time to density was discussed in detail

    採用放電等離子法( sps )制備zrnisn基化合物,並探討了不同的時間對材料緻的影響。
  12. Sintering speed increased greatly with the help of great quantity of heat of the molten iron, the great quantity of heat sent out from the carbonizing reaction and a little quantity of liquid, this sintering type is an instantaneous sintering, the sintering compacting can carry completely in a few minutes, the degree of sintering compacting is very high. ( 6 ) the vc - fe surface composite has high rigidity, it ' s rigidity exceeds 60hrc, under condition of dry sliding friction and overloading

    鑄造時,過熱鐵水的巨大熱流沖擊、粉料壓坯中的碳化反應的放熱以及壓坯中少量液相的產生使壓坯的大大提高,此時屬瞬間液相,在十幾分鐘內過程即可完成,可達到很高的緻化程。 ( 6 )鑄態下vc一fe表面復合材料具有很高的硬,其鑄態硬) 60hrc 。
  13. Abstract : mo - cu alloys were analyzed for sintered density and thermal conductivity. and also, a further study of their preparing methods was made

    文摘:對鉬-銅合金材料的燒結密度及其導熱性能進行了實驗分析,並進而研究分析了鉬-銅散熱片的加工工藝。
  14. No remarkable grain growth has been found during the phase transformation annealing. high sintering densities over 83 % of theoretical ones have been obtained for the hot - pressed samples

    實驗果表明,熱壓試樣都有較高的燒結密度,緻均超過83 ,最高達到了99 。
  15. The sintered temperature was one of key parameters to the relative density and grain size

    是決定體緻高低的主要因素。
  16. Standard test method for green strength for compacted metal powder specimens

    金屬粉末壓試樣未的標準試驗方法
  17. Combined core - shell method with scm, pmw - pnn - pt ceramics with core - shell structure, which have excellent dielectric temperature stability, were successfully prepared. the new mechanism of improving temperature stability of dielectric properties was put forward. the main contents are lis ted as bellows : in the systems of pmn - pt, the effects of the chemical reactivities of the starting materials such as soluble mg - salts instead of mgo, pb - salts instead of pbo and ti ( oc4h9 ) 4 instead of tio2 respectively on the formation of perovskite phase were investigated in detail

    Scm法與cpm法的工藝相比,工藝簡單,預低,反應時間短;陶瓷緻,介電性能比cmo法和cpm法明顯得到改善,而且在沒有pt存在時,仍可制得純鈣鈦礦構的pmn基、 pnn基、 pfw基陶瓷。
  18. It was found that the introduction of ca2 + enhanced the sinterability of the material. the relative density of sintered specimens increase with the content of ca2 + in the composition range of 0 < x < 0. 3. it was confirmed that a high relative density can be obtained at relatively low sintering temperatures by using uniform, high surface area la1 - xcaxcro3 powders, which modifies the crystalline structure and microstructure of ceramic specimens

    研究果表明, a位ca ~ ( 2 + )的引入在一定程上能夠降低材料的化溫:細小、均勻、高比表面積的粉料能夠有效降低材料的化溫的降低可以減少la _ ( 1 - x ) ca _ xcro _ 3中液相含量和鉻氧化物的揮發,有利於材料晶體構、顯微構的改善。
  19. The process of the liquid phase sinter was studied, the study showed that the mo - cu sinter could gain 95 % - 97 % relative density when the relative density of the flan was 70 % - 80 %, the sinter temperature was 1100 - 1200, the sinter time was 80min - 100min and the sinter atmosphere was hydrogen

    本文通過對mo - cu粉末生坯的工藝研究得出,粉末生坯相對為70 80 ,為1100 1200 、等溫時間為80 120min 、氫氣保護氣氛下,可制備出具有高緻的mo - cu粉末體。
  20. Physics capability such as density, conduct and mechanics capability such as tensile strength, hardness and stretch ratio were tested during technical course. photograph analysis and empa analysis were carried out. the influence factor on materials physics and mechanics capability were investigated, which induced by powders synthesis technique, pressure and sinter temperature

    在制備銅基復合材料的工藝過程中,對材料進行、電導率等物理性能和抗拉強、布氏硬、延伸率等力學性能的測試,進行金相分析和empa分析,研究了粉末合成工藝、壓制壓強、等對材料物理、力學性能的影響,探索了材料、布氏硬、電導率、抗拉強、延伸率等之間的關系。
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