脆性開裂 的英文怎麼說
中文拼音 [cuìxìngkāiliè]
脆性開裂
英文
brittle cleavage-
High accuracy kdp crystal optics is now considered as one of optics that is the most difficult to be processed for its series of disadvantageous characteristics to optics processing such as anisotropy, soft nature, easy to deliquesce, high brittleness, sensitive to temperature change, easy to crack and so on. therefore the long machining period, low percent of pass and astaticism quality has become the bottleneck of icf technology, and the surface quality control of kdp crystal processing has become the key problem to be solved in the research of icf in our country
Kdp晶體零件是目前公認的最難加工的光學零件之一,因為kdp晶體具有各向異性、質軟、易潮解、脆性高、對溫度變化敏感和易開裂等不利於光學加工的特點,所以加工周期長、合格率低、質量不穩定成為慣性約束聚變技術的瓶頸, kdp晶體超精密加工表面質量控制問題已經成為我國慣性約束聚變研究中亟待解決的關鍵問題。: 36 < kth < 37 mpa / m3 / 2, 42 < kih < 44mpa / m3 / 2, 51 < kc < 52 mpa / m3 / 2 through the sem fractography, it is know that the susceptibility to brittle failure at room temperature is more than below 100 ?. and the susceptibility to brittle failure increase with hydrogen increasing, under the sustained loading, ductile cracking appears. the quantity of brittle cracking is more with crack growth
T44mpa m 『 q , sl lt52mpa in 』 」斷口分析表明,該合金充氫后其室溫時的氫脆敏感性大於100oc時的氫脆敏感性;且隨氫含量升高,氫脆敏感性增加:在恆載荷的作用下,該合金裂二紋開始擴展時顯示的是韌性起裂;隨裂紋增長,試樣脆性斷裂的比例增大。This factory main production & lt ; forest work tickets printed with number of workpoints & gt ; newest series comb tenoning machine ( mx4025 ), comb tenon docking machine, meets the wooden devices, refers meets machine ( the mh1520 - 1560 series ), not only our product contour artistic, structure reasonable, modelling compact, working efficiency high, merits and so on price actual benefit, moreover the practical value high ( meets wooden thickness to be big, joint jail ), the operation is simple, is the construction only then wooden waste material again use ideal lengthens by joining the equipment ; after the rubber the connection intensity is bigger than lumber itself, the cellophane tenacious embrittlement, the green environmental protection does not have corrodes, the waterproof performance is high, suits the construction site use specially
本廠主要生產最新型系列梳齒開榫機( mx4025型) 、梳齒榫對接機、接木機、指接機( mh1520 - 1560系列) ,我們的產品不僅外形美觀、結構合理、造型緊湊、工作效率高、價格實惠等優點,而且實用價值高(接木厚度大,接榫牢) 、操作簡便,是建築方木廢料再利用的理想接長設備;膠後接口強度大於木材本身,膠膜堅韌不脆裂,綠色環保無腐蝕,防水性能高,特別適合建築工地使用。This factory main production & lt ; forest work tickets printed with number of workpoints & gt ; newest series comb tenoning machine, comb tenon docking machine, meets the wooden devices, refers meets machine, not only our product contour artistic, structure reasonable, modelling compact, working efficiency high, merits and so on price actual benefit, moreover the practical value high ( meets wooden thickness to be big, joint jail ), the operation is simple, is the construction only then wooden waste material again use ideal lengthens by joining the equipment ; after the rubber the connection intensity is bigger than lumber itself, the cellophane tenacious embrittlement, the green environmental protection does not have corrodes, the waterproof performance is high, suits the construction site use specially
本廠主要生產最新型系列梳齒開榫機、梳齒榫對接機、接木機、指接機,我們的產品不僅外形美觀、結構合理、造型緊湊、工作效率高、價格實惠等優點,而且實用價值高(接木厚度大,接榫牢) 、操作簡便,是建築方木廢料再利用的理想接長設備;膠後接口強度大於木材本身,膠膜堅韌不脆裂,綠色環保無腐蝕,防水性能高,特別適合建築工地使用。Topaz has also been known as the " stone of strength ". it was believed to be a powerful protector for travellers, keeping accidents and negative forces away
托帕石具有脆性和解理,怕敲擊、摔打,容易沿解理方向開裂,佩帶時應時刻注意。This factory main production < forest work tickets printed with number of workpoints > newest series comb tenoning machine ( mx4025 ), comb tenon docking machine, meets the wooden devices, refers meets machine ( the mh1520 - 1560 series ), not only our product contour artistic, structure reasonable, modelling compact, working efficiency high, merits and so on price actual benefit, moreover the practical value high ( meets wooden thickness to be big, joint jail ), the operation is simple, is the construction only then wooden waste material again use ideal lengthens by joining the equipment ; after the rubber the connection intensity is bigger than lumber itself, the cellophane tenacious embrittlement, the green environmental protection does not have corrodes, the waterproof performance is high, suits the construction site use specially
本廠主要生產最新型系列梳齒開榫機( mx4025型) 、梳齒榫對接機、接木機、指接機( mh1520 - 1560系列) ,我們的產品不僅外形美觀、結構合理、造型緊湊、工作效率高、價格實惠等優點,而且實用價值高(接木厚度大,接榫牢) 、操作簡便,是建築方木廢料再利用的理想接長設備;膠後接口強度大於木材本身,膠膜堅韌不脆裂,綠色環保無腐蝕,防水性能高,特別適合建築工地使用。This factory main production < forest work tickets printed with number of workpoints > newest series comb tenoning machine, comb tenon docking machine, meets the wooden devices, refers meets machine, not only our product contour artistic, structure reasonable, modelling compact, working efficiency high, merits and so on price actual benefit, moreover the practical value high ( meets wooden thickness to be big, joint jail ), the operation is simple, is the construction only then wooden waste material again use ideal lengthens by joining the equipment ; after the rubber the connection intensity is bigger than lumber itself, the cellophane tenacious embrittlement, the green environmental protection does not have corrodes, the waterproof performance is high, suits the construction site use specially
本廠主要生產最新型系列梳齒開榫機、梳齒榫對接機、接木機、指接機,我們的產品不僅外形美觀、結構合理、造型緊湊、工作效率高、價格實惠等優點,而且實用價值高(接木厚度大,接榫牢) 、操作簡便,是建築方木廢料再利用的理想接長設備;膠後接口強度大於木材本身,膠膜堅韌不脆裂,綠色環保無腐蝕,防水性能高,特別適合建築工地使用。But the questions of buildings cracking of hsc are very serious. it brings people a lot of trouble and unnecessary loss
但是,其存在自收縮開裂、濕漲開裂以及脆性等缺點大大影響了高強混凝土的工作及使用性能。It was found that the cracks can penetrate the interphase and the fiber rapidly when the interphase is thin, which causes the low flexural strength and fracture toughness, as well as the composites " brittle fracture. while the interphase is thick, multiple toughening mechanisms such as the crack deflection and matrix cracking can be activated, which cause the composites " flexural strength and fracture toughness is high and the composites " non - brittle fracture
當界面相較薄時,基體裂紋能夠迅速穿過界面相和纖維,復合材料具有較低的彎曲強度和斷裂韌性,表現為脆性斷裂模式;當界面相較厚時,復合材料能產生裂紋偏轉、基體開裂等多種增韌方式,具有較高的彎曲強度和斷裂韌性,呈韌性斷裂模式。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。The microstmcture and crack propagation manner of the fracture specimens have been observed using scanning electron microscopy ( sem ) and optics microscope
Mo層對裂紋具有明顯的偏轉作用, tz - 3y20a mo疊層材料表現出一種非脆性開裂的特徵。Because of its many excellent advantages, hpc has come to be used in a wide range. but the existed projects show it ' s weakness, such as the brittleness and the tendency to early age cracking of hpc is more serious and sensitive than ordinary performance concrete ( opc )
高性能混凝土由於其優異的性能得到了越來越廣泛的應用,但已有的工程實踐中也相繼暴露了hpc的一些弱點,如高性能混凝土的脆性和易於收縮開裂的傾向可能比普通混凝土更嚴重。Abstract : the article analyzes the influence of failure of heat treatment process and equipment for mn13 steel join, and offeres the method of preventing the part slitting and brittle cracking
文摘:分析了熱處理工藝和設備對高錳鋼端頭缺陷的影響,提出了防止高錳鋼端頭脆性開裂的措施。The experiment test results of mechanical properties and durability of hprrc show : no matter at early age or later age, the ration of flexural strength to the cubic compression strength of hprrc is higher than ordinary concrete, and the brittleness of hprrc is reduced ; the bond performance of new - old concrete interface and chloride permeability are good ; its resistance to freeze and thaw, permeability are all excellent ; its volume stability is improved, and its cracking resistance is good
配製出和易性優良(坍落度30mm ) 12 48h能滿足開放交通的hprrc 。 5 、 hprrc力學性能、耐久性能試驗結果表明:無論早期還是後期,其折壓比均比普通砼的有所提高,脆性有所降低;新老砼粘結性能優良;並具有優異的抗凍性、抗滲性、耐磨性,抗氯離子滲透能力強;體積穩定性大為提高,抗裂性好。分享友人