極限拉伸強度 的英文怎麼說
中文拼音 [jíxiànlāshēnqiángdù]
極限拉伸強度
英文
ultimate tensile strength- 極 : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
- 限 : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
- 拉 : 拉構詞成分。
- 伸 : Ⅰ動詞(展開) stretch; extend Ⅱ名詞(姓氏) a surname
- 強 : 強形容詞(強硬不屈;固執) stubborn; unyielding
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 極限 : 1 (最高的限度) the limit; the maximum; the ultimate limit; limitation; extremity; tipping point...
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Relations between the fractal dimensions of tensile fractures and the tensile ultimate stresses for the grain composite material caco3 abs
拉伸斷口表面分形維數與其拉伸強度極限的關系After pretension 0. 1 strain and pretorsion to 14, whereas the strength limit keep on increasing in company with the pretorsional capacity
其中屈服極限在預拉伸應變0 . 1后再預扭轉14后達到最大值,而強度極限隨著預扭轉量的提高不斷增大。Ltd. a coupled vibration method on suspended free poles is employed to determine the initial young ' s modulus at elevated temperatures, also the thermal expansion coefficients of fire - resistant steel
通過高溫下的恆溫加載拉伸試驗,得到不同溫度下耐火鋼的屈服強度、極限強度、延伸率、面縮率和應力應變關系,並測定高溫下耐火鋼的熱膨脹系數,採用懸絲耦合共振法測定高溫下耐火鋼的初始彈性模量。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。Comparing with these several strengthen formal, towards strength limit ' s improvement, the effect of torsion - tension and tension - torsion - tension was close ; simply tension - torsion - tension required a little larger prestrain quantity. whereas, towards yield limit " s improvement, the effect of torsion - tension - tension action ' s strengthen was the best
從幾種硬化形式的比較來看,對于強度極限的提高,扭轉-拉伸和拉伸-扭轉-拉伸的強化效果相近,只是拉伸-扭轉-拉伸所需的預應變量要大一些;而對于屈服極限的提高,扭轉-拉伸-拉伸作用下的強化效果最佳。By the analysis, it was found out that the key control factor determined the speed limit and storage energy was the poor transverse tension strength of the composites. therefore, if only fibers of high longitudinal tension strengths were used in the rim, high rotate speed and high energy storage density of flywheel rotor would not be achieved
經過理論推導及程序優化比較,發現,影響飛輪轉子極限轉速和儲能量的主要控制因素,恰好是其復合材料輪環較為薄弱的橫向拉伸強度,因此單純地通過採用高縱向拉伸強度的高強碳纖材料來製造飛輪轉子,並不能得到期望的高轉速和儲能密度。Then, a step - by - step increase of vertical curvature is applied to the hull girder assuming that the plane cross section remains plane. at each incremental step, the stress of the cross section is evaluated using the average stress - strain curves of the elements as well as the incremental bending moment due to the curvature increment. performing sample calculations on existing girder models tests under pure bending, the rationality of the proposed method was examined
假設船體橫向框架材足夠強,因而板架的整體破壞不會發生;基於梁?柱理論、理想彈塑性假設、平面假設,建立了拉伸和壓縮加筋板單元的平均應力?應變關系曲線,應用船體結構總縱極限強度的簡化逐步破壞分析方法計算船體總縱極限彎矩,並據此開發了計算程序sus 。1. experiments on uniaxial tensile of cfrp and gfrp are carried out, in which the tensile strength, young ' s modulus and ultimate deflection of frp are measured. the influence on tensile behavior caused by different adhesives is analyzed, and the standardization problem on tensile test methods is discussed
設計了加載裝置和測量應變裝置,測試6種不同纖維片材和粘結劑組合的抗拉強度、彈性模量、極限應變,並分析不同粘結劑對纖維片材拉伸性能的影響,最後對纖維片材拉伸試驗的標準化問題進行了簡單的探討。The expansive property of concrete curing in water is better than that curing in air. the curing time of multiple anti - cracking and impermeability concrete can not less than 14 days. ill to take all account of the factors such as raw materials, construction, curing, and tensile strength, limit tensile strain, etc., which have effect on anti - cracking property of concrete, the overall crack probability is brought forward to access anti - cracking property of concrete, with aid of mathematics
為了全面地考慮原材料、施工、養護、抗拉強度和極限拉伸率等因素對混凝土抗裂性能的影響,利用數學概率分析方法,引入體積開裂概率的概念評估混凝土的抗裂性能。應用材料復合技術,無機-有機多組份復合,研製出一種新型復合抗裂材料,提高混凝土的抗裂防滲性能,且滿足混凝土的強度和工作性要求。The correlation between the compressive strength and axial tensile strength of rcc with placing joint and ultimate tensile strain of placing joint of rcc layers have been obtained
通過試驗研究給出有層面碾壓混凝土抗壓強度、層面軸拉強度與層面極限拉伸值間相關關系。Textiles. tests on knitwear. determination of the ultimate tensile strength
紡織品.針織品試驗.極限拉伸強度的測定When the a3 steel specimen was operated by tension - torsion - tension action, both the yield limit and strength limit had very large improved compared with that of monotonic tension. the improve scope of the yield limit could be 109. 36 %, the strength limit could be 56. 26 %. the yield limit value reached the max
A3鋼試件在拉伸-扭轉-拉伸作用下的力學性能與單一拉伸相比,試件的屈服極限和強度極限都有很大提高。屈服極限提高幅度最高可達109 . 36 ,強度極限提高幅度最高可達56 . 26 。The poly - fit equation takes into account the effects of the eccentricity ratio, yield ratio of material and the nominal crack length and gives satisfactory accuracy comparing to the experiment results
該回歸公式包含了多個參數對板的極限拉伸強度的影響,與實驗結果吻合較好。To generalize the eccentricity ratio effect on ultimate tensile strength of ductile plates, the elesto - plastic finite element method is undertaken and a mathematical transition expression of normalized ultimate tensile strength of center - cracked, eccentrically cracked, edge - cracked plates is accordingly deduced
對于偏心裂紋延性板,採用彈塑性有限元進行了大量的組合計算,分析了相對裂紋長度、材料屈強比和裂紋偏心度對板的拉伸極限強度的影響,並給出了方便計算的回歸公式。We analyes post - tensioned prestressing properties and comparing with practiced results. we analyse one - way precast slab sandwich negative moment section resistant crack properties and two - way precast slabs sandwich under plane resistant crack at unprestressed section and second - prestressing propties. we compare canceling bonded reinforcement with laying on bonded reinforcement resistant crack properties and deformation. auxiliary lab include : concrete resistant pollution intensity. concrete resistant compressing intensity and elastic modulus, compare with results of code. analyse sandwich ' s strain and long - time stress, strain and introduce a new method through theory calculating long - time stress and strain
配套的試驗研究有:混凝土的抗拉強度和彈性模量試驗及混凝土的抗壓強度和彈性模量試驗,混凝土的極限抗拉強度和極限拉伸應變試驗,並與《混凝土結構規范》 ( gb50010 - 2002 ) ,結果進行了對比;單塊夾層板放張階段的彈性應力、應變分析和長期應力、應變分析,並詳細介紹了按混凝土徐變理論進行長期應力、應變分析的方法。分享友人