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- The invention relates to a manufacturing method of a titanium nitride layer as well as an apparatus thereof. 本發(fā)明涉及一種氮化鈦層的制造方法及其裝置。
- The nitride layer was formed on the surface of ductile cast iron by gas multi-element penetration, and the phase structure and section appearance of nitride layer were analyzed by the XRD and SEM. 球墨鑄鐵經(jīng)過(guò)氣體多元共滲后可在其表面形成氮化層,通過(guò)X射線(xiàn)衍射和掃描電鏡對滲層的相結構與形貌進(jìn)行分析。
- Microstructure Analysis of Powder Sintering Nitride Layer 粉末燒結鋼氮化層微觀(guān)結構分析
- CMOS Devices Isolated by an Implanted Silicon Nitride Layer 離子注入氮化硅隔離的CMOS器件
- The result shows that the porosity of nitrided layer is due to the over concentration of CNO- in the salt bath. 試驗結果表明，滲層疏松主要是由于鹽浴內CNO－濃度過(guò)高所致；
- Keywords sdt bath nitrocarburizing;nitride layer loose layer; 鹽浴氮碳共滲;化合物層;疏松層;
- This paper deals with the kinetics of the ion nitrided layer growth for armco iron, steels 45, 40Cr, 42CrMo and 38CrMoAl. 本文研究了在不同離子滲氮工藝參數下,純鐵、45鋼、40Cr、42CrMo及38CrMoAl鋼等五種材料的離子滲氮層長(cháng)大動(dòng)力學(xué),建立了長(cháng)大動(dòng)力學(xué)的數學(xué)模式。
- The fracture failure would occur in nodular iron crankshafts due to the over-shallow and non-uniform thickness of nitriding layer. 球鐵曲軸常常由于滲氮層薄、質(zhì)量不穩定而引起斷裂失效,本課題研究了球鐵曲軸加氧滲氮工藝。
- Reducing discharge interval and increasing electric field intensity could increase the hardness and depth of nitriding layer markedly. 在本工藝條件下，適當減小放電間隙，增大電場(chǎng)強度，可以明顯提高滲層的硬度和深度。
- The orient has been playing an active role in the world economy. 亞洲一直在世界經(jīng)濟中發(fā)揮積極作用。
- He is an active member of the school's stamp club. 他是學(xué)校集郵俱樂(lè )部的一名活躍會(huì )員。
- The results of experiments showed that the Nb can raise the depth of diffusion zone,hardness,wear resistance,strength and toughness of the nitriding layer of the matrix steel. 實(shí)驗結果表明，鈮能增加擴散層深度、硬度及耐磨性，提高滲層的強韌性。
- An active volcano may explode at any time. 活火山隨時(shí)都有可能爆發(fā)。
- Recent progress is presented regarding the research of structure, process, property, failure and strengthening mechanism of the composite "nitrided layer PVD coating". 摘要介紹了“滲氮／物理氣相沉積(PVD)”復合涂層在涂層結構設計、工藝與性能、失效與強化機制等方面研究的最新進(jìn)展。
- Is it wise to engage in active sports at your age? 我這樣的年紀積極參加體育活動(dòng)是否明智？
- It is proposed that cooling ways greatly influence the hardness of nitrided layer,and the content of CNO - within the range of fluctuation has little effect. 發(fā)現鹽浴滲氮層的硬度受冷卻方式的影響很大 ,而CNO-濃度在一定范圍變化則影響很小 ,釩的滲入有利于改善滲層硬度。
- She was active as a left-winger in the party. 她是黨內積極的左翼分子。
- He was very active and rode down several horses. 他勁頭很大，一連騎了好幾匹馬。
- She plays an active part in local politics. 她積極參與地方政治活動(dòng)。
- The steel market will continue to be active. 鋼材市場(chǎng)將會(huì )繼續保持活躍。
