高屈服點 的英文怎麼說
中文拼音 [gāoqūbìdiǎn]
高屈服點
英文
high yield strength-
Hot rolled flat products made of high yield strength steels for cold forming - part 1 : general delivery conditions ; german version en 10149 - 1 : 1995
冷成形用高屈服點鋼制熱軋扁平產品.第1部分:通用交貨This paper presents a manufacture and calculating method for castellated beams. according to the method, three beams are designed and tested, the detailed and trustworthy experimental data are obtained. in comparison of the castellated beam with the circular hole castellated beams during the process, that the yield of load and the strength limit for the latter are higher than the former is verified
本文通過設計製造兩種不同截面形式的3根蜂窩梁( 2根圓孔、 1根六邊形孔) ,進行了兩點集中荷載下的試驗,取得了較為翔實可靠的試驗數據,通過整理與分析,對兩種蜂窩梁的整體受力性能和承載力作出評價,得出圓孔蜂窩梁的屈服荷載和極限承載力都高於六邊形孔蜂窩梁的結論。Based on the pseudo - static experimental results of nine abnormal joints, the damage process of abnormal joint is divided into four stages of original crack, entire crack, ultimate state and failure, the effect of axial force ratio, stirrup ratio and height of column section on seismic behavior of abnormal joint are discussed, the conclusion that anti - shear capacity of abnormal joint are studied in entire crack state by studying the minor core of abnormal joint is made, the calculating formula for anti - shear capacity of abnormal joint is proposed with a view to asymmetry in stirrup yield
摘要根據9個鋼筋混凝土框架異型節點試件的擬靜力試驗結果,指出異型節點受力過程分為初裂、通裂、極限和破壞4個階段;討論了軸壓比、節點核芯配箍率、柱截面高度變化對異型節點抗剪性能的影響;提出應考慮節點核芯區箍筋屈服的不均勻性並在通裂狀態下以「小核芯」為分析單元來研究此類節點抗剪承載力的建議;最終給出了異型節點抗剪承載力的計算公式。It is common considered that the more the half width is high, the more its hardness is based on the fact that the half high width of the shot peening affected layer in hard state decreases many scholars engaged in investigation of shot peening technology proposed that the shot peening affected layer is work softened
許多從事噴丸研究的學者從硬狀態材料噴丸影響層半高寬減小的實驗事實提出噴丸影響層發生了「加工軟化」的觀點,實驗選用超高強度鋼為實驗材料,對其不同硬度的實驗結果發現,噴丸使硬狀態表面的半高寬大幅度減小,但使它們的表面屈服強度得到了提高。The damage threshold of nodular cast iron exists and increases with nodularity, but this threshold is always below the yield strength, which has related significant reference to the design of machinery structure and the choice of materials
球墨鑄鐵存在著損傷閾值,其大小隨球化率提高而呈直線增大,但損傷閾值皆小於屈服強度,這一點對機械結構的設計和選材具有重要參考意義。Hot - rolled flat products made of high yield strength steels for cold forming. part 3 : delivery conditions for normalized or normalized rolled steels
冷成形用高屈服點鋼制熱軋扁平產品.第3部分:普通退火和軋制鋼交貨條件After pretorsion the successor tensile yield limit and strength limit both improved very highly, but the trend of the increase of the strength limit was suspended till the pretorsional capacity reached 17, when the pretorsional capacity was greater than17 ( prestrain value was 81. 19 % of total strain ), the successor strength limit rapid failed and approached the yield limit. this illustrate the a3 steel specimen translate from plasticity into friability after pretorsion strengthen. when the specimen was operated by tension - torsion action, the yield limit had very large improved, but the strength limit changed very little. furthermore, the trend of the increase of the strength limit was suspended till the pretension capacity reached 0. 25 ( prestrain value was 66. 93 % of total strain )
A3鋼試件在預扭轉后,后繼拉伸屈服極限和強度極限均有很大提高,但強度極限的增大趨勢到預扭轉量為17為止,預扭轉量大於17 (預應變值為總應變的81 . 19 )后強度極限迅速下降,與其屈服極限接近,這說明a3鋼試件經預扭轉強化后逐漸由塑性轉化為脆性。該預應變值為a3鋼試件的韌脆轉變點。 a3鋼試件在拉伸-扭轉作用下,屈服極限有很大提高,但強度極限沒有多大改變,而且,屈服極限的增大趨勢到預拉伸量為0 . 25應變(預應變量為總應變量的66 . 93 )后就不再增加。Secondly, the effect of transverse deforming on the property of the wedge pressing was studied. the results showed that : the wedge pressing stock with the transverse deforming amount of 10 % acquired the best performance. the highest density got the biggest rate of slope while with the amount of 30 % the curve was more some special structure and performance as following : the large porosities was crushed into small or linear ones with the high - direction deformation amount of 20 % ; as the increasing of the high - direction deforming, the particles got a further deforming, the porosities got a further crushing, the small porosities were mergered by the large ones and the former then disappeared ; when the amound reached 60 %, the quantity of the porosities would obviously decrease which made the materials compact, the microstructure more uniform and the density and hardness curves more horizontal, the relative desity could reach 99. 7 %, the tensile strength b of the as - compacted samples reached 408mpa with the yield strength s teached 289mpa and the elongation percentage reached 13. 6 %. in addition, the microstructure of the wedge pressing stock under the pressing temperectureof 450 was uniform, the porosities and the boundries of the grains basically disappeared and the conjunction between particles was great
採用雙向楔形壓制,大尺寸噴射沉積5a06鋁合金楔壓坯的組織和性能變化具有如下特點:當高向變形量為20 %時,大的孔洞變形破碎為小的孔洞,或呈線狀孔;隨著高向變形量的增加,顆粒進一步變形,孔洞進一步破碎,大孔「吞併」小孔,小孔塌陷並逐步消失;當高向變形量達到60 %時,孔洞量大為減少,材料基本緻密,組織趨于均勻,楔壓坯料的密度、硬度變化曲線接近水平線,坯料的相對密度達99 . 7 % ,抗拉強度_ b = 408mpa ,屈服強度_ ( 0 . 2 ) = 289mpa ,延伸率= 13 . 6 % ;對比其它的壓制溫度,在450楔形壓制的坯料組織均勻,孔洞及顆粒邊界基本消失,顆粒之間冶金結合良好。Powder metallurgy ( pm ) superalloys has the advantage of homogeneous organization, superfine grain, high yield strength and high elevated temperature fatigue strength, so it becomes the first choice material for the new turbine disks
而粉末高溫合金材料具有組織均勻、晶粒細小、屈服強度高、高溫疲勞性能好等優點,已成為新型渦輪盤的首選材料。Speaking in detail, for every specimen, we study the for of the cracking load, yield load and failure load ; the ductility property ; the property of hystersis curvs and keleton - frame curves ; the degree of initial stiffess and stiffness degadation. secondly, the two different suo nlgn use ltslaences , wmcn are ootll shear wsll sttllctlllt , are tab6n as instanop the shear ’ wsi is oin 卜 hot8qopo inww 田 l ! s ot 以 j 口 willo 地 勸 憂 地 epo o odod sqo8qopt solidndls ofr c l w means or0 卜 0nm elemem ana 吹 lsptwtodd ’ mlmwe m 加 柏 mm are d an 邑 以 胡 a ann compcomparen in severm es 叮 wsllcll as scu 一 陽 i 朗 l p 一 ndnd mdede so ess d laterm seimic e anu so on ’ inatty , tiep 訓 頒 oility of hollow shear wal of rc in d suo ra use reslaences s ant l
首先研究在低周反復水平加載試驗下試驗對象的強度、變形和能量的特性:開裂荷載、屈服荷載、破壞荷載;各試件的滯回曲線和骨架曲線;延性情況;初始剛度和剛度退化等參數:進而用satwe有限元程序分析對比了某一小高層剪力墻結構在採用空心剪力墻板和採用普通實心剪力墻作為墻體的結構受力異同點,在質量、主振型、剛度、水平地震效應等方面做了對比。High yield reinforcement
高屈服點鋼筋High - yield strength steel
高屈服點鋼But several earthquake has proved than it is of poor ductility and is brittle destroyed easily. but semi - rigid connections, which is formed by high strength bolts and connecting components, for example angle, end - plate and shape t steel, have an excellent energy dissipating mechanism to resist earthquake loads and prove more capacity for yielding and ductility
而主要通過高強螺栓與連接件(角鋼、端板以及t型鋼等)把梁與柱連接起來的半剛性節點連接具有較強的耗能能力去抵抗一部分地震荷載,它能提供更多的屈服容量和延性容量,同時可節省節點的用鋼量,這使得半剛性連接成為一種既經濟又可靠的連接方式。Although cold - formed rectangular tube - steel column is favorable to industrialization of mass production, the cold forming process increase the yield point and tensile strength, at the same time the cold forming process decrease the ductile behavior, so it ’ s necessary to research the seismic behavior of cold - formed rectangular tube - steel column for architecture structure
冷彎矩形鋼管雖然可以實現大批量工廠化生產,但冷彎矩形鋼管在冷成型過程提高了材料的屈服點和抗拉強度同時降低了延性,因而冷彎矩形鋼管作為柱材在建築結構抗震中的應用有待進一步研究。分享友人