硼化層 的英文怎麼說

中文拼音 [pénghuàcéng]
硼化層 英文
borided layer
  • : 名詞[化學] (非金屬元素) boron (b)
  • : i 量詞1 (用於重疊、積累的東西 如樓層、階層、地層) storey; tier; stratum 2 (用於可以分項分步的...
  1. The effect of borided layer at low temperature on wear resistance and brittleness of borided layer for steel 45 was studied by means of wear test, brittleness test and anode polarization measurement

    通過磨損試驗、脆性試驗和陽極極曲線的測試,研究了低溫滲對鋼滲耐磨性、脆性和耐蝕性的影響。
  2. The result shows that with the addition of rare earth elements, ultrasonic irradiation and magnetic field, the chemical component, surface configuration, microstructure and properties of electroless co - ni - b and co - fe - b alloy changes remarkably. such kind of change can be described as the followings. firstly the depositing speed of electroless alloy bath is raised while the polarizability and cathodic overpotential are reduced ; secondly the surface quality of the alloy coating and adhesion of the coating and matrix are improved ; thirdly in the coatings the content of the elements in the transient group increases, but the content of cobalt decreased ; fourthly the amorphous structure is transformed to microcrystal structure and polycrystal structure ; fifthly the microhardness and wear resistance of the coating are enhanced ; sixthly coercitive force is reduced, and magnetoconductivity of the coating is increased ; lastly the magnetic intensity of the coating increases with the addition of energy and light rare earth elements such as ce, la and decreases with the addition of heavy rare earth elements such as y. on the other side, when the alloy coatings passes through the heat treatment under the temperature of 250 or 500, their properties will change

    結果顯示學沉積co - ni - b 、 co - fe - b工藝在稀土元素( ce 、 la 、 y 、 dy ) 、能量(超聲波、磁場)介入后,沉積過程、合金成分、鍍形貌結構和性能都有顯著變,表現在:鍍液的陰極極過電位和極度降低,沉積速度提高;鍍的結合力、表面質量改善;鍍中過渡族元素的含量增加,輕元素的含量降低,同時證實了稀土元素與過渡族元素共沉積的可能性;鍍的顯微結構由非晶態向微晶和多晶態轉變;鍍的顯微硬度與耐磨性提高,力學性能優;鍍的矯頑力降低;磁導率提高;鍍的磁強度在能量(超聲波、磁場)和輕稀土元素ce 、 la介入后提高,重稀土元素y介入后降低。
  3. In this paper, a new method was presented that b - doped diamond was synthesized at high pressure and high temperature ( hthp ) using b - doped graphite intercalation compounds ( gics )

    本論文提出了利用含石墨合物( gics )高溫高壓( hthp )合成含金剛石的新工藝。
  4. 2 studying of the properties of cbn thin films afm showed that cbn thin film delaminated from substrate obviously. basing xps, we calculate the nib ratio to be 0. 90 that is closing to unity, and the thickness of hbn layer on cbn layer that is about 0. 80 nm

    根據x射線光電子能譜,計算得到立方氮薄膜中的n和b的原子數比為0 . 90 ,接近理想學配比1 ;立方氮薄膜頂的六角氮的厚度約為0 . 80nm 。
  5. The results were shown as follows : ( 1 ) the electrolyte components for electroplating pb - sn coatings in fluoborate system were studied. the effects of concentrations of main salt, dissociative acid, inhibitor, antioxidation and surfactant on the cathode polarization curves of electroplating pb, sn and pb - sn alloys and contents of alloying element were investigated systematically. the scale of current density was confirmed using hull cell

    ( 1 )研究了氟酸體系電鍍pb - sn合金鍍的電解液組成,詳細討論了主鹽濃度、游離酸濃度以及阻劑、抗氧劑、表面活性劑等添加劑對氟酸體系電沉積pb 、 sn及pb - sn合金陰極極曲線的影響和對pb - sn合金鍍中合金含量的影響。
  6. The function of c2h1obn in ni - w - b alloy electrodeposition has been studied by means of cyclic voltamxnetry ( cv ), the deposition mechanism of ni - w and ni - w - b alloy studied by potentiostafic step and their structures before and after heat treatments investigated by xrd and dsc. the effects of bath compositions and deposition conditions on the structure and properties of ni - w - b alloy and ni - w - b - ptfe composite coatings were explored

    本文主要以ni - w - b合金為研究對象,運用循環伏安方法研究二甲基胺烷在ni - w - b合金電沉積過程中的作用、階躍電位研究ni - w合金和ni - w - b合金電結晶機理、 xrd和dsc方法研究ni - w合金和ni - w - b合金電沉積的結構以及合金在熱處理過程中的結構變
  7. The results showed that the friction factor of bn film was about half of that of the steel based materials, and the cohesion between film and substrate could obviously be increased by the ni - p interface layer

    結果表明:氮薄膜的摩擦因數約為鋼基材料的一半,中間鎳磷合金的加入使薄膜結合力顯著提高。
  8. Two kinds of them are widely studied at present. one is the substance whose surface has micro - pore structure or crystal structure with excellent exchanging prosperity, such as silver - zeolite ; the other one generally select the glass with certainly chemical stability and soluble property, which are added a few ag +, zn2 +, cu2 + ion

    目前研究最廣泛的抗菌材料有兩類,一類是物質表面具有微孔結構或具有離子交換性能良好的狀晶體結構如銀沸石等;另一類通常是選用有一定學穩定性和水溶性的磷酸鹽和酸鹽系統玻璃微載體的含銀、銅、鋅的抗菌玻璃。
  9. Methods for chemical analysis of ferroboron - the chromatographic separation - barium sulfate gravimetric method for the determination of sulfur content

    學分析方法色分離硫酸鋇重量法測定硫量
  10. Boron nitride coating

  11. Pbo - b _ 2o _ 3 - sio _ 2 glass reacts with bismuth ruthenate and lead ruthenate is produced as transition layer. the transition layer can make the interface gradually change and the properties of resistors are improved at the same time. based on the study above, the way to get series of pastes was developed

    硅玻璃粉體平均粒徑對厚膜電阻的性能影響有一極值點,約為1 . 51 m ,在該點處膜的方阻值最小,電阻溫度系數絕對值最小,重燒變率最接近零值。
  12. A review on the application and research of electroless nickel - boron based alloy

    學鍍鎳基合金鍍的研究現狀及其應用前景
  13. The experimental instruments, apparatus and the means to prepare all the samples are introduced in the first section. in section 2, the experimental system including the oxidization system and diffusion system, are introduced therein. in section 3, the samples preparation including the pre - deposition, redistribution and re - oxidization, the samples of b doping, and the fabrication of ga - diffusion transistor, b - diffusion and the transistor formed by b diffusion following ga diffusion are detailed therein, and the as - prepared samples are analyzed by sims, srp and four point probe

    首先介紹了制備各種樣品所用的實驗儀器、設備與方法;第二節中介紹了實驗系統,包括氧系統、擴散系統,第三節介紹了樣品的制備,包括ga的預沉積、再分佈、二次氧樣品,擴樣品,以及擴嫁晶體管、擴晶體管和擴鐮后再補充擴晶體管的制備流程;實驗所得樣品,藉助二次離子質譜( sims ) 、擴展電阻( srp ) 、四探針薄電阻等先進的測試分析方法進行分析。
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