iron cr 中文意思是什麼
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Production of a sort of hi - cr cast iron grinding ball
採用鎢渣生產合金鑄鐵磨球 -
The composite roll of high speed steel has the synthetical life of over ten times more than traditional high cr cast iron roll. now the research and production of the high speed steel for roll are very drastic. in this thesis, the microstructure, heat treatment and performance of high speed steel fe - 2 % c - 4 % v - 4 % mo - 5 % cr - x % w ( wt ) are studied systematically by using metallograph, method of lattice, xrd, sem, eds and hardness
本文利用金相法（包括黑白金相和彩色金相） 、 x射線衍射（ xrd ） 、掃描電子顯微鏡（ sem ） 、能譜（ eds ）及洛氏硬度分析儀等手段，對復合軋輥用高速鋼fe - 2 c - 4 v - 4 mo - 5 cr - x w （其它部分如未作特殊註明均為質量分數）合金系的顯微組織、熱處理工藝及性能進行了系統地分析。 -
Eutectic composition should be adopted for high - cr white cast iron used under high - stress impact abrasion condition
摘要高應力沖擊磨料磨損時，高鉻白口鑄鐵應選共晶成分。 -
The inner lining of such materials as br, nr, cr, fer, rpp, pvd, ptfe and f46 in the valve body of all kinds of cast iron and carbon steel or in the inwall of pipe castings can not only adapt to corrosion medium under different working conditions, but also can replace a great many rare and precious metal, which has, under the normal working conditions of valve, saved a large amount of funds for the users
通過在各類鑄鐵、碳鋼的閥體或管件內壁上進行內襯br / nr / cr / fer / rpp / pvd / ptfe / f46等材料，不但可以適用於不同工況下的腐蝕性介質，而且可以替代許多稀有貴重金屬，為用戶在保證閥門正常使用的條件下節約大量的資金。 -
Technique of proeluction on the qualily stability of re, high - cr cast iron ball
耐濕磨貝氏體球墨鑄鐵磨球的生產工藝研究 -
The microstructure of cr - mn - cu alloy white cast iron changed after different heat treatment
鉻錳銅合金白口鑄鐵在經過不同的熱處理之後，組織發生了變化。 -
The wearing resistance, microstructure, worn surface morphology and hardness change in wearing end - face and non - wearing end - face of cr - mn - cu alloy white cast iron were tested and analyzed
摘要對鉻錳銅合金白口鑄鐵的耐磨性、無磨損端面及磨損端面的微觀組織、磨損形貌及硬度進行了試驗和分析。 -
Modified fly ash prepared by adding a mount of fly ash to blast furnace iron sludge with hcl has good effect to cr ( superscript 6 + ) and total chromium
摘要在粉煤灰中添加適量的轉爐鐵泥經鹽酸溶解后，制得改性粉煤灰，在適宜的工藝條件下，對六價鉻和總鉻都有良好的處理效果。 -
Effect of melting technology on performance of high cr cast iron
熔煉工藝對高鉻鑄鐵性能的影響 -
Cr15. 5 fe8 specification for nickel - chromium - iron alloy sheet, strip and plate : annealed nickel base, cr 15. 5, fe 8
鎳鉻鐵合金薄板材帶材和板材規范:退火的 -
Under the conditions of low stress abrasion, eutectic composition is the optimal composition of high - cr white cast iron. the narrow intercarbide spacing is quite benefical to protect the austenitic matrix
摘要低應力磨料磨損條件下，高鉻白口鑄鐵以共晶成分為宜，在細小的共晶組織中，碳化物間的短小空間對共晶奧氏體起到良好的保護作用。 -
During the recent years the breakthrough of manufacturing the new type of composite roll has been made. it is possible for the composite roll of high cr cast iron widely used at present to be replaced by the composite roll of high speed steel ( hss ) in the ten years
近年來，將高速鋼用於製造新一代復合軋輥方面取得了突破性進展，高速鋼復合軋輥的綜合使用壽命可以比傳統用高鉻鑄鐵軋輥提高數倍以上，目前被廣泛採用的高鉻鑄鐵復合軋輥，有可能在十年之內被高速鋼復合軋輥取代。 -
The result showed that, by adopting appropriate casting method, a good metallurgical combination between tungsten particles and hi - cr alloyed cast iron could be obtained
結果表明，在適宜的鑄造工藝條件下，碳化鎢顆粒和高鉻鑄鐵基體之間可以形成良好的冶金結合，鑄滲效果較好。 -
Abstract : the microstructure of as - cast high cr injection micro - alloying martensitic cast iron and the substructure of martensite in it have been observed under sem and tem. the alloying element distribution related to phase formation, as well as the various types of branch and distortion of carbide in the martensitic cast iron have been explored by using x - ray diffraction and electron probe analysis
文摘:應用掃描電鏡和透射電鏡研究了噴射微合金化的鑄態馬氏體高鉻鑄鐵顯微組織及馬氏體的亞結構，並藉助x射線衍射與電子探針分析探討了合金元素的分佈與相形成的關系，以及碳化物的不同形式分枝與畸變。 -
In view of the higher hardness of high cr - w white cast iron, a lot of experiments were carried out in relation to softening annealing process, and the microstructure transformation during annealing process was analysed
摘要針對高鉻鎢鑄鐵硬度高這一問題，對其軟化退化工藝進行試驗，並對高鉻鎢鑄鐵退火過程中組織轉變進行分析。
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