鑄態的 的英文怎麼說
中文拼音 [zhùtàide]
鑄態的
英文
ascast-
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。By analyzing the microstructure of as - cast alloys with different surplus of samarium added, the optimum surplus of samarium is decided. by comparing the microstructure of the alloys annealed for different time, the ideal and economical annealing time is confirmed. the microstructure and phase composition of alloys during the whole preparation of sm2fe17nx are analyzed using the scanning electron micrograph with energy - dispersive x - ray analysis and x - ray diffraction patterns
本論文首先就熔煉工藝參數對鑄態組織微結構的影響進行了探討,並制定出一套較為合適的熔煉工藝;通過對不同釤加入量的鑄態組織微觀結構的觀察分析,確定了原料配置過程中釤的最佳補償量;通過對採用不同退火時間的合金組織進行比較,確定了理想、經濟的退火時間;同時還利用掃描電子顯微圖像和x射線衍射圖譜,比較了整個制備過程中,試樣微結構和相組成的變化情況。In the author ’ s opinion, the problem of seigniorage is put forward when analyzing the currency amount of a currency system from a static angle, however, the problem of monetization is raised when reviewing from a dynamic angle
筆者認為從靜態的角度來分析每一貨幣制度下貨幣數量會產生鑄幣稅問題;而從動態的角度對The age hardening characteristic of as - cast cu20ni20mn and cu20ni35mn alloys and the interface characteristic between the alloy and cast tungsten carbide were studied, and on the basis of this study, composites of cu - ni - mn alloy reinforced with different volume fraction ( 0 - 45vol. % ) and different size ( 42 - 362 m ) of cast tungsten carbide particles were made by vacuum hot - pressing liquid sintering technology. pin on disk two body abrasion tests have been performed with different size of sic abrasive under different loads
本文研究了鑄態cu20ni20mn和cu20ni35mn合金的時效硬化特性及其與鑄造碳化鎢的界面特性,並在此基礎上以不同尺寸( 42 362 m )的鑄造碳化鎢顆粒為增強體,採用真空熱壓液相燒結技術制備了不同顆粒含量( 0 45vol . )的鑄造碳化鎢顆粒增強cu - ni - mn合金基復合材料;以不同粒度的sic為磨料,在不同載荷條件下利用銷?盤磨損試驗機測試了復合材料的二體磨料磨損性能。When the atomic ratio of nb is one, the structure is homogeneous and almost composed of the single sm2fe17 phase. it ' s nearly the same structure as that after annealing. so it can reduce the production cost and increase the stability of magnetic properties
當nb的原子比為1時的鑄態組織基本為均勻的接近單相的sm _ 2fe _ ( 17 )組織,已接近於退火后的組織,從而可以避免冗長的均勻化退火化過程而直接用於製造永磁體,極大的降低了生產成本,並能有效的提高磁性能的穩定性。5. the comprehensive capacities of the azsm alloy were markedly promoted than that of the as - cast azsm alloy which was aged at 200 ?, air - cooled and furnace - cooled after solid - solution, aged at 90 ? and aged in nature after solid - solution
5 )鑄態azsm合金經200時效3小時、固溶4小時后空冷和爐冷、 400固溶-水淬90時效和自然時效的綜合性能較鑄態有顯著的提高。The results indicate that the fracture toughness is influenced markedly by the different base structure of vermicular east iron and by the form of graphite ; unlike steel, the fracture toughness of vermicular cast iron increases with the yielding strength, while drops drastically with the increase of ratio of graphite grain length to thickness
試驗結果表明,蠕墨鑄鐵的斷裂韌度受不同基體組織的影響比較明顯;受不同石墨形態的影響顯著,與結構鋼不同,蠕墨鑄鐵的斷裂韌度隨材料的屈服強度增大而增大,隨石墨顆粒的長厚比增加會急劇下降。Production and control of internal stress in grinding balls of high chromium white cast iron
淺析低鉻白口鑄鐵磨球的鑄態組織設計Abstract : considering the cutting tool ' s dynamic intensity. this paper made optimization about the cutting value of higher chromium which cast iron, and put forward a theoretic foundation which can be used to cut higher chromium white cast iron with ceramic cutting tools economically
文摘:考慮刀具動態強度條件下,對用陶瓷刀具加工高鉻鑄鐵的切削用量進行了優化計算,從而為用陶瓷刀具經濟性地加工高鉻鑄鐵提供了理論依據。Increasing the cooling velocity and additions of nb and zr can refine the a - fe dendrites in as - cast alloys, decrease the amount of a - fe phase after homogenization treatment. as a result, the magnetic. properties were improved
提高鑄錠的凝固速度及添加nb和zr可以促進鑄態合金內- fe相的晶粒細化及均勻分佈,減少均勻后殘留的- fe相,提高均勻化的效率和質量,從而提高磁體的矯頑力。The computer simulation results showed that the effects of ingate dimension and ingate location on the rheo - diecasting were relatively small, and the casting process - design was easily to be done ; under the same condition, the semi - solid rheo - diecasting decreased the air entrapment during the mould filling process, and high quality metal castings could be obtained through semi - solid forming technology
結果表明:半固態流變壓鑄成形在不同的內澆口尺寸與位置條件下都可以獲得平穩的充型流動場,其工藝參數設計靈活;同等條件下,半固態流變壓鑄成形的型腔充填過程平穩,成形鑄件的質量優于液態壓鑄成形。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。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。Production technology for crankshaft made of cast pearlitic ductile cast iron
鑄態珠光體球鐵曲軸生產工藝的研究Primary analyses of cast microstructure design of high chrome white cast iron grinding ball
淺析高鉻白口鑄鐵磨球的鑄態組織設計Introduction [ / b ] : image of life casted by alloy of lead and tin twines on the column, forming the contrast between the organic and inorganic materials
作品簡介:鉛錫合金熔鑄成的流動的生命形態,纏繞在石制方柱上。構成一種有機與無機的材質間的對比。The effect of the melting - current and melting - time on the microstructure of the as - cast sm - fe alloy is investigated and the phase composition of the as - cast sm - fe alloy with different sm content is analyzed. the parameters of the melting process and the proportion between different chemical elements are decided, which are based on the above - mentioned investigation and analysis
實驗中研究了不同熔煉電流和熔煉時間對鑄態組織的影響,並對不同含量的sm - fe合金退火前後的相組成進行了分析,在此基礎上確定了熔煉參數和成分配比。The quality control of cored - wire injection process used for production of as - cast ferrite nodular iron was described
摘要介紹用喂線球化工藝生產優質鑄態鐵素體球墨鑄鐵的質量控制要點。In the research case of 11 tapping during night shift on december 31, 2000, optimized schedule strategy can cut down 65 minutes at most used for processing from charging into converter to slab out of caster for each tapping. with the model, it is possible to dynamically adjust schedule and reorder or reorganize production process
以煉鋼廠2000年12月31日中班11爐連鑄鋼的生產調度計劃為例,利用模擬模型制定和優化的調度計劃使鋼水從煉鋼到連鑄的作業時間最大可以節約65分鐘;利用煉鋼連鑄生產調度時間petri網模型,還可以根據實際生產條件的變化(譬如設備故障)對生產進行動態調整,以方便組織生產。1. the splitting from the binding interface of cuw / crcu roots from the rich cr and the oxidation of the binding interface, which leads to the higher thermal resistance in binding interface than normal, and the thermal stress enhanced. the extruded cu is suggested to instead of casting cu
( 1 )斷裂是由於原材料鑄態的crcu中c :質點大於熔滲的孔隙而沉積在界面上,同時在有氧源存在的條件下,結合面氧化,致使結合面結合不好,界面熱阻升高, cuw與crcu部分的膨脹不同,應力集中,燃弧后斷裂。分享友人