熱鑄裂 的英文怎麼說
中文拼音 [rèzhùliè]
熱鑄裂
英文
hot casting crack-
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。Some other defects in castings are well - defined cracks and hot tears that develop during solidification, under combination of stress concentration from uneven contraction and the metal ' s low strength at near - melting temperatures
鑄件內部的其它一些缺點是,凝固過程中,在不均勻收縮造成的應力集中和接近熔點溫度下金屬的低強度的綜合作用下,出現的清晰裂縫和熱撕裂。The 35n12 series products ( commonly called as widenning 153 ) are the alloy gray casting iron brake drum that our company and bridge limited company of the east windmill jointly developed, it has such a series of superior performance as wear - resisting decreasing, heat resistant splitting, high strength, balances well, dispels the heat fast, longe - livedding, etc., formed a complete set extensivly and original packaging on a lot of domestic famous luxurious motor buses ( the occupation rate of market above 70 % ), for example it is gold for dragon, the coherent in space, ann triumphant, fei shen, daewoo, the capital, tai hu, it is the wild for japan, in majestic, the changjiang river, explaining fertile
35n12系列產品(俗稱加寬153 )是我公司與東風車橋有限公司聯合研製開發的合金灰鑄鐵制動鼓,它具有耐磨損、抗熱裂、高強度、平衡好、散熱快、壽命長等一系列優越性能,被廣泛原裝配套于國內許多著名豪華大客車上(市場佔有率在70 %以上) ,比如金龍、宇通、安凱、沈飛、大宇、京華、太湖、日野、中威、長江、申沃等。Several analysis methods such as casting slice, scanning electron microscope, porosity and permeability data, mercury injection data and density of fissures are used to study the reservoir properties of volcanic rocks in huang - yu - re area, the east sag of liaohe basin. volcanic rocks in this area are mainly composed of basalt, diabase, tuff and trachyte. the dominating type of volcanic reservoir space includes secondary solution pores and structural fissures
通過火山巖的常規物性分析壓汞分析和裂縫密度分析,結合鑄體薄片和掃描電鏡,研究了遼河油田黃于熱地區的火山巖儲層物性特徵,認為該區火山巖儲層巖石類型主要有玄武巖輝綠巖凝灰巖和粗面巖,主要儲集空間類型為次生的構造裂縫和溶蝕孔縫。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。Based on the mechanism of hot cracking formation of castings, the cracking defects of furnace door frame castings was analyzed, and found that the main reasons causing cracking are as follows : construction of the casting was not reasonable, gating system was not proper, and pouring temperature was too high
摘要根據鑄件產生熱裂紋的機理,對爐門框裂紋缺陷進行分析,找到了裂紋產生的主要原因是鑄件結構和澆注系統不合理,以及澆注溫度過高。The company owns advanced middle frequency furnace, compound centrifugal casting machine, precise and complete metal cutting equipment and advanced and modern quality measurement and control means
本公司擁有先進的中頻電爐、復合式離心澆鑄和精密齊全的金屬切削設備以及先進的現代化質量測控手段,生產的合金軋輥具有輥面度高、強度大、耐磨性能好、耐熱裂、抗剝落等特點。Testing results are analyzed, then the boundary condition ( the heat transfer coefficient of and the water density ) for computer simulation is acquired. through simulation in computer using the all - purpose computer simulation software secondary cooling in slab continuous casting and test results, the influence of the factor such as casting speed, casting temperature, shell thickness and secondary cooling system are analyzed. the secondary cooling system is evaluated, the reasons of crack are analyzed
應用模擬軟體和實驗數據對寶鋼1930鑄機進行了模擬計算,分析了拉速、配水制度、過熱度對鑄坯溫度場和坯殼厚度的影響;對寶鋼1930鑄機的二冷制度進行了評估,分析了產生裂紋的原因;並對二冷制度進行優化,提出了改進建議。The intermediate magnesium - clad paint is the must material for high efficiency casting taking the place of thermal insulation slab, which has advantages as follows : easy painting, no crack, anti - corrosion, easy disintegration and help improving steel liquid quality etc
中間包鎂質塗料是替代絕熱板,實現高效連鑄的必備材料,具有易塗抹、不開裂、耐侵蝕、易解體並能提高鋼液質量等優點。The series of dm tundish coating is necessary materials for replecting insulating board and realizing hign - effcieney continuous casting, they have the properties of coating uncracking, resist corrosion, decomposing, etc. compared with insulating board, they are not only have the low cost of per ton steel materials but also reduce the impurity in liquid steel, increasee the purity and improve the perfoumnce of liquid steed
中間包塗料是替代絕熱板,實現高效連鑄的必用材料,具有易塗抹、不開裂、耐侵蝕、易解體等特點,與絕熱板相比不僅降低噸鋼耐材成本,而且減少鋼液中非金屬雜質,提高鋼液的純度,改善鋼的性能。Low heat dilating rate : it is just this characteristic that make the foundry more precisely, less cracking and high output
熱膨脹率低:熱膨脹率之低與鉻礦砂等特殊砂相同,所以,生產鑄件的尺寸精度高,破裂及表面缺陷少,鑄件成品率高。This segregation behavior of sn accords with the mechanism of non - equilibrium segregation. it can be obtained through the theoretical calculations that the critical time of sn non - equilibrium segregation is 124 seconds at 750 and the critical cooling rate is 8 / s when cooling from 1320. it is suggested that controlling the cooling rate during continuous casting to avoid the critical cooling rate ( 8 / s ) and avoiding high stress near the trough temperature ( 750 ) may control the form
通過研究殘留元素sn的偏聚機制及其對o . 15wt . % c鋼熱塑性的影響,對試驗鋼進行脆性預測:建議在該鋼的連鑄過程中彎道矯直溫度盡量避開塑性谷底溫度750 ,二冷區的冷速盡量避開臨界冷卻速率8 / s ,從而可以減少該低碳鋼連鑄坯表面裂紋和橫向裂紋,提高其成材率。Crucible 416r should be forged at 2050 to 2150 f ( 1121 to 1177 c ) and finished above 1400 f ( 760 c ). crucible 416r is not adaptable to severe upset forging operations
在小弟我以前做事的鑄造工廠,只要是碰到3字頭與4字頭鑄件變形,都需要熱處理后才能整形.要不然內部會產生應力導致鑄件破裂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。In order to avoid the shell cracking during baking process of quick investment casting based on stereolithography ( sl ) pattern, an expanding model of sl pattern - ceramic shell is proposed via analyzing the interaction between investment shell and sl pattern, then the cracking condition of investment shell is given
摘要為了解決快速熔模鑄造中型殼開裂問題,對樹脂模型與型殼材料在消失過程中的熱變形機理和型殼開裂條件進行了有限元分析,建立了原型型殼熱變形數學模型,並應用於新型燃氣渦輪導向器的快速鑄造。分享友人