pearlite 中文意思是什麼

pearlite 解釋
n. 名詞 1. 【冶金】珠澤鐵；珠光體；珠層體。
2. 【地質學；地理學】珍珠巖。

  1. Abstract : for analyzing the residual stress distributing state within the weld joint, and its effect on the performance of welding structure, when welding the ferrite pearlite steel with the austenite steel, this paper develops a finite element program to compute the interface stress of two or over two material. finally, this program is used to analyze the mechanical behavior of heterogenic joint

    文摘:為了分析鐵素體、珠光體類鋼與奧氏體類鋼焊接時，焊接接頭處焊接殘余應力的分佈狀態及其對焊接構件性能的影響，研製了可計算兩種或兩種以上材料界面應力的有限元程序，並用此程序分析了異質接頭的力學行為。
  2. Based on the analysis of eutectoid transformation of sg ( spheroidal graphite ) iron, the numerical model of formation of ferrite and pearlite during the eutectoid transformation was improved

    摘要通過對球墨鑄鐵件共析轉變的分析，改進了球鐵件中鐵素體與珠光體形成的數學模型。
  3. It is indicated that the improved model can calculate the fraction of ferrite and pearlite more accurately, and can specially reflect the effect of both undercooling during the eutectoid transformation and the amount of graphite nodules formed during the process of eutectic reaction on the fraction of pearlite

    結果表明，改進的模型可以更準確地預測球鐵中鐵素體和珠光體的數量，能夠準確地體現共析階段過冷情況和共晶球墨數對珠光體數量的影響。
  4. Desige and construction of insulation and waterproof roofing of pearlite

    珍珠巖隔熱保溫防水屋面的設計與施工
  5. Microstructure and mechanical properties of a new bainite pearlite dual - phase microalloyed steel

    珠光體雙相微合金鋼的組織與性能
  6. The gradational standard of spherular pearlite for 15crmo steel used in fossil power plant

    火力發電廠用15crmo鋼珠光體球化評級標準
  7. The gradational standard of spherular pearlite for carbon steel no. 20 used in fossil power plant

    火電廠用20號鋼珠光體球化評級標準
  8. The paper analyzes its performance with the range of the content of gas former, expanding pearlite and water - cement ratio

    文中對引氣劑用量、珍珠巖用量及水灰比對材料吸聲性能影響進行了研究與分析。
  9. A new type of sound absorbing materials mainly made from low alkaline cement and expanding pearlite has been investigated on the basis of sound absorption principle

    摘要以低?水泥和膨脹珍珠巖為主要原料，輔之以分散性良好的增強劑聚丙烯纖維，研製出一種新型吸聲材料。
  10. These additives have no adverse effect on the properties of the coating, and the optimum contents of them are : hydrophobic additive 6 %, sepiolite 6 % and expanded pearlite 3 %

    在該材料中疏水添加劑的最佳含量為6 ，海泡石最佳含量為6 ，膨脹珍珠巖的最佳含量為3 。
  11. The microstructure evolution of ferrite and pearlite in ecap was investigated by means of optical m icroscopy ( om ) and transmission electron microscopy ( tem )

    並運用光學顯微鏡（ om ） 、透射電子顯微鏡（ tem ）及維氏顯微硬度儀研究了ecap變形后45鋼中先共析鐵素體及珠光體組織的演變特徵。
  12. In the specimen of low carbon, ferrite with low hardness and a little pearlite is found ; and the specimen of high carbon is made up of pearlite and various alloyed - carbide

    組織觀察表明，碳含量較低的試樣中主要是硬度不高的鐵素體以及少量的珠光體；而碳含量較高的試樣中則主要是珠光體以及各種合金碳化物。
  13. The strength of extension of low carbon ductile cast iron can reach 750mpa in casting state, the impact ductility can reach 20j / cm2. the diameter of graphite nodule is 5 - 20 ( am, the base body is consisted of pearlite -

    低碳球鐵在鑄態下的抗拉強度可達750mpa ，沖擊韌性可達20j cm ~ 2 ，其中石墨球直徑在5 20 m ，基體以珠光體為主，有少量的鐵素體與滲碳體。
  14. The microstructure of lamellae pearlite has evolved ultrafine cementite particles throughout the ferrite matrix uniformly after five passes. the ferrite matrix is homogeneous grains, average grain size is - 0. 3 m. 2

    變形五道次后，片層狀的珠光體組織演變成了超細的滲碳體顆粒均勻分佈於鐵素體基體的組織，鐵素體基體為均勻的等軸晶，平均晶粒大小為0 . 3 m 。
  15. The main results are as the following : ( 1 ) the microstructure of lamellae pearlite has evolved ultrafine cementite particles throughout the ferrite matrix uniformly after four passes. the ferrite matrix is homogeneous grains, and average grain size is - 0. 3um

    主要結果如下： （ 1 ） ecap變形四道次后，片層狀的珠光體組織演變為了超細的滲碳體顆粒均勻分佈於亞微晶鐵素體基體的組織。
  16. Dried at the temperature, the film has surface with convex and concave microstructure, its hydrophobicity and surface roughness can be improved evidently by adding the bead - forming agent. ( 3 ) the self - cleaning and heat - insulated building coating with excellent hydrophobic property and gas - permeability was preparaed by using the hydrophobic additive, modified sepiolite and modified expanded pearlite

    （ 3 ）應用疏水添加劑、改性海泡石、膨脹珍珠巖能夠制得自清潔隔熱功能塗覆材料；制備的疏水添加劑和經提純、疏水改性后的海泡石和膨脹珍珠巖，對乳膠塗料的流變性能、穩定性能以及塗膜的疏水性能、對比率和其他常規性能無不良影響。
  17. The results show that small cr addition in steel can decrease the lamellar spacing of pearlite, and markedly increase strength and hardness with almost the same ductility and toughness, and accordingly improve wear and shelling - resistance of wheel steel

    實驗結果顯示，加入微量的鉻，可以細化珠光體的片層間距，在保持韌塑性基本不變的情況下，顯著增加材料的強度和硬度，從而提高車輪鋼的耐磨性和抗剝離性能。
  18. On the surface of annealed 45 steel, as the pearlite in it contains cementite phase and has high crystal boundary density, the nucleation and growth of deposits prefer to occur at the pearlite at the beginning during depositioa the coating exists in form of nano - polycrystal layers composed by gathering of nano - sized crystals

    在退火態45鋼表面，由於珠光體組織中含有滲碳體相且具有比較高的晶界密度，因而在沉積初期鍍層優先在此處形核和生長；鍍層在基體表面是以納米尺度的晶粒聚集在一起形成的聚晶體形式存在的。
  19. The change regularity for performance and microstructure of low carbon steel is summarized. the main characteristic of the process is pearlite spheroidizing, increasing of grain boundary width, element segregation and carbide in grain boundary. the change of those microstructure causes the variance of the merchant performance

    通過上述的研究工作，總結了火力發電廠用低碳鋼在長期運行期間性能與微觀結構的變化規律，提出以珠光體球化、晶界寬化、元素晶界偏聚及碳化物晶界析出為主要特徵的低碳鋼微結構變化規律，以及由此而引起的材料機械性能的變化。
  20. This article introduces a vacuum filler technique of expansive pearlite through analyzing the features of expansive pearlite and key technical problem of filler in the lamination of the low temperature storage tank

    摘要文章通過分析充填于絕熱低溫儲罐夾層中膨脹珍珠巖的特性、充填中的重點技術問題，介紹了一種膨脹珍珠巖的真空充填技術。
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