球鐵 的英文怎麼說
中文拼音 [qiútiě]
球鐵
英文
adi-
A detailed introduction was made to the properties of the wet coated sand suitable for multi - station shell mould shooting machine ; the development of a sort of high strength coated sand with low resin content : the shaping index and wetness adjusting process : analysis and prevention of peel back defect of shells made with overturning hopper process ; test method of peel back resistance of coated sand : pinhole defect analysis of high ni ductile iron shell mould castings and application of anti - pinhole coated sand
詳細介紹適用於吹砂式多工位殼型機的濕態覆膜砂性能；高強度低樹脂量覆膜砂的研製；濕態殼型覆膜砂的成形性指數與調濕工藝；翻鬥法制殼時的脫殼問題分析和解決辦法；覆膜砂脫殼性檢測方法；高鎳球鐵件殼型鑄造表面針孔原因分析與抗針孔覆膜砂的應用。Study and produce of austenitic - bainite ductile iron gear
貝氏體球鐵齒輪的研究Influence of silicon on continuous cooling of bainite ductile iron
硅對連續冷卻貝氏體球鐵的影響Abstract : the constitution, process principle and parameters of a continuous desulphurization system used to desulphurize the base iron for nodular iron was introduced. the characteristics of the system and its operation instruction was explained
文摘:介紹了一種爐外球鐵原鐵液連續脫硫系統的組成、工藝原理及有關參數，說明了該系統的使用方法及特點。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。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。Solve the problem of internal shrinkage of magnesium iron foundry
解決球鐵鑄造內部縮孔問題。Malleable iron pipe fitting ductile iron grooved fitting
球鐵溝槽管件How is timing controlled to prevent nodular iron fade
如何控制球鐵孕育時間？防止石墨退化300 psi malleable iron pipe fitting
球鐵溝槽管件1150 psi malleable iron pipe fitting
球鐵溝槽管件Report a case of siderosis bulbi without definite ocular injury history
摘要報告一無明顯外傷史之眼球鐵質沈著癥病例。Transfer case, different size hydrant ; compreser body precisicen casting ; duefile casting ; wear high - chromium iron casting and heating - proof casting
變速箱、消防栓殼體系列；製冷壓縮機精密鑄件；球鐵鑄件；耐磨高鉻鑄鐵件及耐熱件。Production study of austempering ductile iron
貝氏體球鐵的生產研究Effect of alloying elements on structure and mechanical properties of bainite ductile iron in the step austempering in machine oil at room temperature
合金元素對室溫油分級等溫淬火貝氏體球鐵組織和性能的影響The main reasons causing increased chilling tendency of nodular iron are as follows : using metal charge containing trace and alloy elements which can increase chilling tendency ; molten iron being holded at high temperature too long ; abnormal nodularizing and / or inoculation treatment, as well as abnormal composition control
摘要引起球鐵白口傾向大的主要原因是：爐料穩定性差、電爐保溫、球化處理及鐵液成分控制和孕育處理出現異常。All main ways of metal strengthening including grain refining strengthening, dislocation strengthening, grain boundary and substructure strengthening, second phase strengthening, solid solution strengthening, as well as trip strengthening and so on, have totally found expression in the adi
金屬強化的幾種主要方式：細晶強化，位錯強化，晶界與亞結構強化，第二相強化，固溶強化，細晶強化以及trip強化等都在等溫淬火球鐵中得到了體現。The fatigue alternating stress, which are highly variable in time, subject the crankshaft to very high and complex loading that induced to fatigue breakdown. the crankshaft design and manufacture must therefore precise calculations of the fatigue characteristics
柴油機球鐵曲軸在工藝性和成本上佔有一定的優勢，通過滾壓強化工藝，疲勞強度有很大程度的提高，因而在國外得到廣泛應用。The effect of compound casting technology and compound modification on the properties of high speed steel roll collar was studied. the results showed that compound high speed steel roll collar with high and even hardness and good bond between outer and inner layers could be gained when the modified colbalt free high speed steel in outer layer and nodular iron inner layer in connection with appropriate rotational speed of centrifugal machine, pertinent pouring interval between two kinds of the melt and moderate pouring temperature as well as surface induction heat treatment were chosen. it is indicated in industrial use that the service life of compound roll collar is higher by 5 times than that of high chromium cast iron collar
研究了離心復合鑄造工藝和復合變質處理對高速鋼輥環性能的影響，結果表明，選用變質高碳無鈷高速鋼作外層，用球鐵作內層，選擇合適的離心機轉速、兩種金屬熔液澆注間隔時間和澆注溫度，結合採用表面感應熱處理工藝，可獲得硬度高、均勻性好、內外層結合良好的高速鋼復合輥環，用於工業生產其使用壽命比高鉻鑄鐵輥環提高5倍以上。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。分享友人