high-ductility 中文意思是什麼

high-ductility 解釋
高塑性
  • high : adj 1 高的〈指物,形容人的身高用 tall〉;高處的;高地的。2 高級的,高等的,高位的,重要的。3 高尚...
  • ductility : 可延性
  1. It is this nodular microstructure of carbon in ductile iron which produces high ductility and shock resistance while the flake form of cast iron results in no malleability

    正是這種碳的球狀微觀結構,使得球墨鑄鐵具有更加良好的展延性和抗沖擊性,而鑄鐵內部的薄片形式導致鑄鐵沒有展延性。
  2. Based on these experiments, it may be claimed that there is segregation of sn to grain boundaries in 0. 15 % c steel during cooling from a high solution treatment temperature. this segregation reduces grain boundary cohesion, which results in low hot ductility and intergranular fracture

    通過試驗和計算得出: sn在0 . 1swt . % c鋼中發生非平衡晶界偏聚的臨界時間為1245左右,臨界冷卻速率大約為8 / s ,與試驗結果基本一致。
  3. Here the hsc of sompa is achieved through adding super - effective water reducer, fined slag and silicon fume, and decreasing the water / cement ratio. by varying the area ( spacing ) of tension bars, compressive bars, vertical links and distribution steel and embedding steel fiber and polypropylene fiber we try to improve the behaviors of reinforced high performance concrete one - way spanning slabs in bending, so that its ductility be greater than 5. with the same arrangement of steel the width of bending member is varied to observe the effect of the width / depth ratio on the ultimate compressive strain of concrete

    通過變化受拉筋含筋率和受壓筋、箍筋(鉤筋、分佈筋)含量,或摻加纖維使之成為鋼纖維高強混凝土( sfrhsc )和聚丙烯纖維高強混凝土( pfrhsc ) ,對高強混凝土雙筋截面梁、板的受彎性能進行了試驗研究,試圖改善高強混凝土受彎構件的延性,使其延性比大於5 ;並在相同配筋情況下,通過變化截面寬度,研究了高強混凝土受彎構件的寬高比對壓區混凝土極限應變的影響;並對試驗構件的裂縫發展情況進行了觀測。
  4. Because of its high strength, high workability, high volume stability and high anti - permeability, hsc ( high strength concrete ) has been widely used throughout the world as a new generation structure material. but due to its low ductility, seldom has it been used in the protective engineering

    高強混凝土具有高強度、高工作度、高體積穩定性、高抗滲性等優良性能,作為新一代建築材料在國際范圍內得到了廣泛應用,但是由於高強混凝土的延性較差,未能在防護工程中得到大量使用。
  5. With the very low water to cement ratio, rpc has ultra - high strength high ductility and low permeability. in this paper, the compressive strength of rpc can reach to a high point with the number approximately 135mpa. as illustrated from the study results, we can approve some fundamental conclusions : there are big effects on rpc with deferent kinds and properties of raw materials and deferent curing conditions ; stress - strain curve shows the process of destroy with rpc samples ; x - ray diffraction analysis indicates that heat treatment at temperatures 90 accelerate the hydration of rpc sharply, therefore, mechanical and microstructural properties of rpc are highly dependent on heat treatment ; it is believed that rpc materials have excellent resistance to chloride permeability ; during the heat treatment, the shrinkage of rpc developed quickly because of chemical reactions ; the rpc with slag mostly has the advantage of rpc without slag about resistance to solutions corrosion

    研究結果表明:通過對rpc各組分摻量變化的研究,可以找到rpc的最優配合比;試件成型后的熱養護制度對rpc的性能影響巨大; rpc的抗壓應力?應變曲線可以反映出試件受破壞時微裂紋的擴展情況,剛纖維的摻入可以大幅改善rpc的韌性; rpc在成型后存在較大的收縮,而其中的化學收縮要遠遠大於乾燥收縮; rpc具有很強的抗氯離子滲透性能,漿體的密實度很高;通過x射線衍射實驗,可以發現rpc的膠凝體中ch晶體已經幾乎不存在,膠凝體主要由c - s - h凝膠和未水化水泥顆粒組成;在抗溶液侵蝕的實驗中,摻礦渣rpc的抗溶液侵蝕性能在絕大多數情況下要好於不摻礦渣試件,酸、堿溶液和浙江工業大學碩士學位論文摘要一些鹽溶液都會對rpc的結構產生侵蝕作用,但是機理各有不同。
  6. Green building materials production, good ductility, moderate capacity and weight, unmatched grip, easy hanging, iso quality system certification, high intensity of edge, full range of productions and materials

    綠色建材產品,韌性好,容重適中,握釘力強,施工方便,國際標準質量合格證體系,邊部強度高,產品品種和配套材料齊全。
  7. It ' s the advantage of jmfc to apply the centrifugal casting technology to the small size of compound rolls, which characteristics are as follows : combining high hardness, anti - wear, impact and breakage resistance : spun cast the shell by proper charging of alloys and use high strength and impact ductility material as core

    將離心澆鑄工藝用於小型復合軋輥的製造,是金環廠的優勢,採用該工藝的軋輥具有以下特點:兼得高硬度耐磨損與抗沖擊抗斷裂性能:按耐磨性和硬度要求,將合金科學配比,溶解澆鑄成輥身的工作層,再採用高強度抗沖擊的材料澆鑄輥頸和輥芯,冶金結合,兩者兼得。
  8. Desirable properties for forming include low yield strength and high ductility

    令人滿意的成形特性包含了低降伏應力和高延展性。
  9. Hrb400 steel bar is characterized by high parity between strength and price, good ductility and welding quality. it can meet the requirement that high building should use high stress steel bars. by now, few studies are made of the hrb400 reinforced concrete members

    Hrb400級鋼筋具有強度價格比高、機械、焊接、抗震等性能優越的特點,應用在建築工程中,替換i 、 ii級鋼筋,可大量節省鋼材,提高建築的綜合性能,滿足高層建築應用高強度鋼筋的需求。
  10. At last, based on the feedback analysis of the data of site investigation, the suggestions about whether to supply drainage measures in the catchment of high - ductility soil area are provided

    最後根據現場觀測資料進行了反饋分析,對在高塑性土區下游側是否有必要增加補充排水措施提出了論證意見。
  11. The presence of small amount of liquid at grain boundaries tends to form thin viscous layer which surrounds the finer grains. intergranular fracture may occur at the grain boundaries between two fine grains not covered by viscous phases. the high ductility achieved at low strain rates is generally attributed to dislocation glide - creep accommodation mechanisms

    原始晶界上產生少量液相,形成薄的固液共存粘性層並包圍細化的晶粒,沿晶斷裂主要發生在無粘性層的細晶粒間;而在較低應變速率下,三叉晶界位錯攀援?蠕變協調機制鬆弛晶界滑移產生的應力集中,晶界上產生較多液相,有利於晶界滑移進行。
  12. Ding d. j., cao z. l. et al. ( 1992 ). " investigation on high - ductility rc shear walls. " studi e ricerche, 13, politechnico di milano, italia

    謝育良,曹征良( 1990 ) . "鋼筋混凝土簡支梁考慮主壓應力破壞的抗剪強度計算. "南京建築工程學院學報,第14卷,第3期, 38 - 51頁
  13. With the development of high - rise and long - span building, columns have to bear higher and higher axial load. based on the investigation to damage caused by earthquakes, people have realized the design of columns play a key role to prevent the collapse of building in strong earthquakes. to meet this need, the columns are required to have high strength as well as high ductility

    大量的震害表明,建築物會否倒塌在很大程度上取決于柱的設計,特別是隨著高層建築和大跨結構的發展,柱的軸力越來越大,柱不但需要很高的承載力而且需要較好的延性以防止建築在大震情況下倒塌。
  14. High - ductility steel

    高韌性鋼
  15. As one of new composite structures in the field of civil engineering, concrete - filled rectangular steel tubular ( cfrt ) structure has high capacity, large energy absorption capacity, and high ductility, also it has regular shape which is easy to connect between columns and beams, convenient fire - control measure, and short construction time

    方鋼管混凝土結構作為一種新型組合結構,具有承載力高、耗能能力強、延性好等特點,且外形規則便於樑柱連接,防火措施簡單,施工周期短,因此,在中高層住宅建築中有較廣泛的應用前景。
  16. Reactive powder concrete ( rpc ) is a new kind of compound concrete that has ultra - high strength, high ductility. besides having characteristic of concrete filled steel tubular, rpc filled steel tubular structure can decrease cross section owing to the ultra - high strength of rpc, and economize on concrete and small dead load. the structures have broad prospects in high commercial and civil building, many - storied factories, high - span bridges and urban traffic

    活性粉末混凝土( rpc )是一種新的超高性能、高韌性的水泥基復合材料,將其灌入鋼管形成鋼管活性粉末混凝土,這種結構除了具備鋼管混凝土的一般特性外,因其超高強度使構件截面尺寸大大減小,還可進一步節約混凝土並減輕結構自重,必將在高層建築、公共建築、多層廠房、橋梁、交通等領域有著廣泛的應用前景。
  17. From an examination of the tensile behavior of cz ly12 alloys under different temperature and strain rate, two kinds of deformation and intergranular fracture behaviors were observed that were opposite to the characteristic strain rate range in fine - grained superplasticity. the mechanisms are described as follows. the high ductility achieved at high strain rate is generally attributed to the dominant role of gbs accommodating mechanisms, which is considered as dislocation creep within grains controlled by subgrains

    研究選用自然時效淬火態的ly12鋁合金,進行了一系列不同溫度和應變速率下的單軸拉伸試驗, 480下,觀察到與傳統細晶超塑性特徵區間相反的行為:較高應變速率下,動態再結晶使晶粒細化,促進了晶界滑移,亞晶界控制的晶內位錯蠕變是晶界滑移的主要協調機制。
  18. It is noted that the precipitation accounts for this high ductility at room temperature. so it can be concluded that ductility can be enhanced greatly by controlling ly12 precipitation behavior

    從析出相角度探討微觀變形機制,可以推斷:控制ly12的析出相有可能大幅度提高材料的室溫變形能力。
  19. In the present thesis, researches on the micro - mechanisms and the macro - mechanical models of fcp in high ductility -, low ductility - and brittle materials, including metals, ceramics and polymers, are briefly summarized. furthermore, systematic investigation is made on the general fcp pattern, the fcp micro - mechanisms, the mechanical models and the intrinsic - and extrinsic factors affecting fcp by using the approach combining the analysis and the experiments. finally, an almost perfect formula for fcp is developed

    本文系統地分析和總結了中外文獻對高塑性材料、低塑性材料和脆性材料,包括金屬材料、高分子材料和陶瓷材料的疲勞裂紋擴展微觀機制和宏觀力學模型的研究結果,進而採用理論分析與實驗研究相結合的方法,從微觀和宏觀兩個方面對疲勞裂紋擴展的一般規律、影響因素、微觀機制、力學條件和宏觀規律及其定量理論進行了深入的研究,給出了為實驗結果所驗證的接近完善的疲勞裂紋擴展表達式。
  20. High ductility and excellent bendability to form bends, loops and complicated configurations without fracture

    良好的延展性和成行性,可彎制各種曲及復雜的形狀且不斷裂。
分享友人