熱鑄法 的英文怎麼說
中文拼音 [rèzhùfǎ]
熱鑄法
英文
casting-
Large diameter dn1600 2600 pipes hot mold centrifugal machine with coating techniques
多工位熱模法離心鑄管機Third, on the base of expatiating on experimental research method and theoretical research method of joints, the paper points out two kinds of valid methods, which are used to analyze the tube joints stress of dendriform structure by making use of semi - analytical method and inelastic large deflection finite element analysis method, confirms to apply the evaporative pattern casting process as the facture method of dendriform structure cast joints, and detailed dissertates the casting theory, casting process, generation cause and prevention measure of casting flaws, heat treatment method and inspection standard about cast steel joints
然後在闡述樹狀結構節點實驗研究方法和理論研究方法的基礎上，提出了利用半解析法和彈塑性大撓度有限元法兩種有效分析樹狀結構管節點應力的方法，並給出兩種方法的詳細表達式及它們各自的優缺點。通過對鑄鋼件常見製作方法的介紹，確定了採用消失模法作為樹狀結構鑄鋼節點的製作方法，並詳細論述了用消失模法製作鑄鋼節點的鑄造原理、鑄造工藝、鑄造缺陷產生的原因及防治措施、鑄鋼節點的熱處理方法以及檢驗標準。According to the nb - si phase diagram, the temperature of 1550 ?, which is lower than the eutectoid transformation temperature of nbssi ( 1783 ? ), is chosen for heat - treatment. according to the present conditions of the furfaces, heat - treatment by stages is first proposed for the nb - si system intermetallic composites to keep the furface in good conditions. the results indicate that the equilibrium nb + nbssia dual - phase microstructure of the nb - si system intermetallics forms gradually via such eutectoid reaction as nbasi ? nb + nbssis with the heat - treatment time
根據nb - si二元相圖，選擇略低於nb _ 3si共析轉變溫度t _ f = 1783的1550對鑄態nb - si系金屬間化合物進行不同時間（ 25h - 100h ）的熱處理，並根據目前國內和我院熱處理爐的現狀，首次提出採用分段熱處理的方法來解決nb - si合金熱處理溫度高、連續熱處理時間過長而影響熱處理爐壽命的困難。Test method for castability of alloys. determination of hot tearing tendentiousness
合金鑄造性能測定方法.熱裂傾向的測定In this paper, the reason and process of hot tear forming for the investment steel castings are analysed, the technological method of preventing hot tear is discussed, and the designing method of the self - cut - gate for shifting hot tear is introduced
分析了熔模鑄鋼件熱裂產生的原因和過程，論述了防止熱裂的工藝措施，並介紹了自割內澆口轉移熱裂及其設計方法。The fracture toughness values of vermicular graphite cast iron specimen subjected to four different heat treatment methods were tested and compared
摘要比較四種熱處理方法下蠕墨鑄鐵試樣的斷裂韌度。In - situ ticp / fe composites were prepared by reaction cast method with induction heating, crucible smelting and covering agent
採用反應鑄造的方法，利用感應加熱、坩鍋熔煉及使用覆蓋劑保護，制備原位tic _ p fe復合材料。Abstract : in this study, 2618 aluminum alloy manufactured by spray process was heated in a heating furnace, and the microstructures were investigated. by the process of heating in a heating furnace and then squeeze - forming, one component of the motorcycle was produced successfully with the semi - solid aluminum alloy
文摘:採用電阻爐加熱的方法對噴射沉積法制備的2618鋁合金進行了二次加熱實驗，觀察了顯微組織的變化；並通過電阻爐加熱、半固態擠壓鑄造的方法成功地試制了摩托車零件。Test method for corrosion of cast aluminum alloys in engine coolants under heat - rejecting conditions
排熱條件下發動機冷卻劑鑄造鋁合金腐蝕性測試方法Standard test method for corrosion of cast aluminum alloys in engine coolants under heat - rejecting conditions
在排熱條件下發動機冷卻劑對鑄造鋁合金腐蝕性的標準試驗方法In order to overcome the difficulty mentioned above, this paper provides an improved heat transfer equation and a mended bem for the problems. first of all, the enthalpy and the " virtual temperature " are introduced into the paper to eliminate several mutative thermophysical properties in the heat transfer equation. secondly, the movement of the boundary between the solid and liquid phases in the billet is educed by virtue of the laplace transform
這些改進包括：引入熱焓和「虛擬溫度」的概念，對非常數的熱物性參數進行整合：充分考慮鑄坯凝固潛熱釋放帶來的影響，利用「溫度回升法」來加以處理；利用拉氏變換和反拉氏變換的原理來對凝固過程中鑄坯內部固液相界面的移動方程進行了推導和求解，在凝固過程中充分考慮鑄坯內部的固液兩相的影響等等。Cu - zn - cr - zr conducting bar alloy and cu - cr - zr end ring alloys used for superpower asynchronous traction motor rotor were prepared by ingot metallurgy. using hardness measurement, tensile test at room and higher temperature, electrical resistance test at room and higher temperature, optical microscopy, xrd, sem, and tem, the mechanical and electric properties and the microstructure of above alloys at different treatment were studied. them were also analysed and explained in theory
採用鑄錠冶金法制備了大功率異步牽引電動機轉子用導條合金和端環合金，通過硬度測試、室溫拉伸、高溫拉伸、電導率測定、金相分析、 xrd 、 sem 、 tem等方法研究了不同加工工藝和熱處理工藝對上述合金力學性能、導電性能及其組織結構的影響和變化規律，並從理論上進行了分析和解釋。Abstract : the oxidation refining method is an effective process to refine the 75 % si - fe alloy. the thermal balance of the process is calculated, which provides the theoretical basis for the possibility of the normal casting of the alloy after being refined
文摘:氧化精煉法是硅系合金精煉技術中的一種有效方法.對75硅鐵氧化精煉過程的熱量平衡問題做了計算，討論了精煉合金滿足正常澆鑄的工藝條件Numerical simulation of heat field of inner combustion engine casting solidification
基於有限差分法的鑄件凝固過程熱應力場數值模擬的研究The effect of the structure of austenite zone on the performance of gray iron welding joint is studied by means of thermo - simulated test in this paper
摘要採用熱模擬試驗方法探討了灰口鑄鐵焊接接頭熱影響區的奧氏體區組織對接頭性能的影響。Plastics - injection moulding of test specimens of thermoplastic materials - part 3 : small plates
塑料.熱塑材料試樣的噴射鑄造法.第3部分:小板Standard specification for steel, sheet, hot rolled, carbon, commercial and structural, produced by the twin - roll casting process
用雙滾軸鑄造法生產的商用熱軋結構碳鋼薄板的標準規范Abstract : based on equivalent liquid surface descending method ( elsdm ) and isolated melting zone method, a multi - hot - spot and simultaneous shrinkage - feeding method was established to predict the shrinkage cavities of steel casting during solidification simulation. the shrinkage in each hot spot can be simulated and fed dynamically and simultaneously by itself using this method. then two practical steel castings were analyzed by this method
文摘:本文在等效液面收縮法和孤立域法基礎上建立了預測鑄鋼件縮孔的新方法? ?多熱節和即縮即補方法，該法實現了對模擬鑄件各熱節的內部動態瞬時補縮，並採用該方法對兩個實際鑄鋼件進行了縮孔分析。Thermal and structure character of straight reheating furnace were analyzed in csp technological process. coupling with heat conduction differential equations of the thin slab and the furnace lining, the mathemat ical model of heat transfer is established in the long one dimension furnace by using zone method for making the model of radiant heat transfer. the effect of the moving velocity and kinds of the slab on temperature distribution in the furnace is discussed based upon the solutions to the mathematical model
通過分析csp工藝中直通式輥底加熱爐的熱工及結構特性，採用區域法建立爐內輻射換熱數學模型，與加熱爐內連鑄坯及爐襯的一維導熱方程相耦合，建立長一維直通式輥底加熱爐爐內傳熱數學模型.通過對數學模型的求解，研究分析了不同的薄板坯移動速度及鋼種對加熱爐爐內溫度分佈的影響Abstract : the mathematical model of dhcr heating of continuous casting slab is established, and solved by using the finite difference method, then the temperature distribution and heating time during different heating periods are found. this model can be used for determining the dhcr heating system of continuous casting slab
文摘:建立了連鑄板坯直接熱裝加熱數學模型，並用有限差分法進行求解，獲得了各期加熱溫度分佈及加熱時間，此模型可用於連鑄板坯直接熱裝加熱制度的確定。分享友人