rate of casting 中文意思是什麼
rate of casting
解釋
澆注速率-
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。 -
Therefore, the purpose of this thesis is to look for a suitable preparing process for 3 - tcp with their micro - construction controlled more easily and the porosity rate and strength uniform. this paper created a new preparing method of porous ceramics, i. e. foam gel - casting technique, which integrated foam technique in porous ceramics preparing and gel - casting technique in structural ceramics preparing was applied to improve the preparing technique of porous p - tcp bioceramics in order to prepare ceramics bodies with high body intensity, controllable porosity and easily machining performance
因此，本論文努力尋求一種適合於- tcp多孔陶瓷的制備工藝，使其微觀結構易於調節控制，空隙率和強度達到平衡同一。在實驗中，結合了制備多孔陶瓷常用的發泡法和結構陶瓷制備中的注凝法，創新設計了一種新的多孔陶瓷成型方法? ?泡沫注凝法，對多孔- tcp生物陶瓷的成型工藝加以改進，制備出高強度、氣孔率可控以及易加工的陶瓷坯體。 -
Abstract : by utlizing abundant local resource of ytirium and combining the characteristics of magnesium, barium, calcium and silicon, a sort of composite nodulizer - ytirium - based heavy rare earth nodulizer was developed which is characterized by its good desulphurizing and deoxidizing rate effect, excellent effect to neutralize anti - nodulizing effect of trace elements, strong nodulizng effect and degeneration - resistance, good effect to fine matrix structure, decreased chilling tendency and wide scope of applicatiom using this nodulizer to produce some important castings such as water - cooled wall of blast furnace and roller could increase mechanical properties of central area and casting yield
文摘:利用江西省豐富的釔基重稀土，結合鎂、鋇、硅、鈣等元素的特性開發了釔基重稀土復合球化劑，該球化劑具有脫硫、脫氧、抗干擾元素、球化和抗球化衰退能力強，細化基體組織，白口傾向小，適用范圍寬等特點，應用於高爐冷卻壁，軋輥等關鍵鑄件上可提高心部力學性能和工藝出品率。 -
On the basic of the detailed analysis on main causes and main prediction methods of casting shrinkage / porosity, we put forward two methods to describe the solid phase rate of materials solidification. one is liner - distributing method, and the other is parabola - distributing method. and then, we apply the former to the system
本文在充分分析鑄件縮孔縮松產生機理與主要預測方法的基礎上，提出了材料凝固固相率的線性分佈法和拋物線分佈法，並將前者應用於系統中；同時提出了溫度梯度法和新山判據法的實現演算法，此演算法具有一定的靈活性。 -
Pangang iron and steel co. exits one set of double slab caster, but continuous casting rate is 50. 6 % and under metallurgy industry average, and its mould casting devices are established at the beginning of 1970s, the devices are old, consumed energy is high, severity pollution, low metal callback, quality is not stable, these restrict competition for market
攀鋼煉鋼廠現有一臺雙流連鑄機，但其全年連鑄比才50 . 6 % ，低於我國冶金行業平均水平，並且其現存的模鑄錠設施系七十年代初建成，設備陳舊、能耗高、污染嚴重、金屬收得率低、產品質量不穩定，制約了攀鋼產品在市場上的競爭力。 -
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。 -
A sicp reinforced al - cu alloy and al matrix composites are fabricated by a new method - electromagnetic centrifugal casting, the effects of rotational rate for centrifugation, magnetic density, particle size and matrix on the distribution of particles and microstructure of matrix are studied
首次利用電磁離心凝固方法制備sic _ p al基和sic _ p al - cu基復合材料，研究了離心轉速、顆粒尺寸、磁場和基體對顆粒分佈以及對復合材料基體組織的影響。 -
The particle - enriched zone moves outwards as the rotational rate increases. by employing steady dc magnetic field to the conventional centrifugal casting method, the distribution of particles is changed. the most uniform distribution is obtained when the magnetic density is 0. 15t
通過向常規的離心鑄造中引入穩恆直流電磁場，基體中的顆粒分佈得到改善，磁感應強度為0 . 15t時，顆粒的分佈最為均勻，磁感應強度過大時，磁場將會引起基體組織粗化。 -
The segregation mechanism of tramp element sn during continuous cooling and isothermal aging and its influence on the hot ductility of low carbon steel are discussed and the brittleness during continuous casting of the sn - doped low carbon steel is forecasted. at a strain rate of 10 - 2s - 1 and a cooling rate of 10 / s, there exists a third ductility trough for both steels at 750
在應變速率和冷卻速率分別為10 ~ （ - 2 ） s和10 s的條件下進行熱模擬拉伸時，兩種試驗鋼均在750時出現由先共析鐵素體沿奧氏體晶界呈薄膜網狀析出所引起的第類脆性谷底。 -
Based on these work, the effect of the current, the filling ratio and the shape of electrode end on the distribution of slag flow rate was investigated which provided the basis for the production of the electroslag casting
並以此為基礎，研究了熔鑄電流、填充比和電極端部形狀對熔渣流速分佈的影響，為實際生產提供了依據。 -
When china ' s annual inflation rate spiked to an 11 - year high in january on the back of an 18 per cent increase in food prices, china - watchers found themselves casting their minds back to the food price rises of 1988 and the social disturbances, protests and civil unrest that followed
今年1月，隨著食品價格上漲18 % ，中國摺合成年率的通脹水平達到11年高點，中國觀察家們不禁回想到1988年的食品價格上漲，以及隨后的社會動蕩、抗議浪潮和民心不安。
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