gh4163力学性能指标有谁知道?最好有纳米材料的力学性能具体说明及性能指标

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Based on the requirements of reduced scale of the origional model structure and mechanical property index of concrete,a model concrete material-microconcrete was developed.
作者根据原型结构缩比要求和原型混凝土力学性能指标要求[1],研制了一种模型混凝土材料——微粒混凝土。
The lineal regression analysis of chemical composition and mechanical properties of steel plate is done and the quatitative relation of predicting mechanical property index of steel plate by using chemical analysisis determined,play-ing the favourable part in the practical production.
并将钢板的化学成分与力学性能进行线性回归分析,确定了用化学成分预测钢板力学性能指标的定量关系,可用于实际生产的指导。
In this article, authors introduce some aspects of prestressed steel material tension tests such as determination methods of every mechanical property index, matters need attention and judgment of test results.
介绍预应力钢材拉伸试验中各项力学性能指标的测定方法、注意事项及试验结果的判定。
Modular bridge expansion joint would undergone millions of recurrent fatigue loading attack of traffic during service,therefore fatigue performance is the most important mechanical property index for evaluating modular bridge expansion joint.
模块型桥梁伸缩缝在使用过程中要经历数百万次的车轮疲劳循环荷载的作用 ,因此疲劳性能就成为评价模块型桥梁伸缩缝的一个最重要的力学性能指标。
The article briefs the development and application of fibre glass based asphalt shingle at home and abroad and introduces main contents of the standard,focusing on how to determine physical and mechanical property index of the product by using the standards and products of other countries for reference.
介绍了新国标的主要内容; 重点介绍了通过对国外标准及产品的研究而在新标准中确定的产品物理力学性能指标。
Bending strength is the main mechanical performance index for cemented chipboard.
抗弯强度是水泥刨花板的主要力学性能指标。
Through the strong pulling tests of four kinds of synthetic fiber filter cloth,the mechanical performance index of the filter cloth in dry and wet conditions were measured,the influence of various pulling speeds on the fracture strength and the fracture tensile rate of the filter cloth was derived. It was concluded that the stress of the filter cloth could relax when it was beyond the yield point.
通过4种合成纤维滤布的强力拉伸试验,测得了滤布在干、湿两种状态下的力学性能指标,得出了不同拉伸速度对滤布断裂强度和断裂伸长率的影响,同时指出当滤布的应力超过屈服点时,会出现应力松驰现象。
The Q235 steel’s law of the performance index of such mechanics as yielding strength, limiting strength, elastic mould and limiting stain, which change with fire temperature, was gained by studying the mechanical performance index of Q235 steel commonly used in construction under the fire condition on a universal material testing machine, and the influencing factors of Q235 steel’s mechanical performance index were analyzed.
通过万能材料试验机 ,对建筑中常用的Q2 35钢在火灾条件下的力学性能进行了研究 ,获得了Q2 35钢的屈服强度、极限强度、弹性模量、极限应变等力学性能指标随火灾温度变化的规律 ,并对影响Q2 35钢力学性能指标的因素进行了分析
The elastic modulus is one important mechanical performance index of plastic concrete.
弹性模量是塑性混凝土的一项重要力学性能指标。
Mechanical performance index of crop stalks, the influence on mechanic property by microstructure of crop stalks, and the mechanics model of crop stalk were overviewed in the paper.
该文对农作物茎秆力学性能指标、茎秆微观结构对茎秆力学特性的影响、茎秆力学模型进行综合评述。
Results (1)Three mechanical indices of FN,L2 and L3 in rats of OVX decreased by 50% (P<0.05),40%(P<0.05) and 27%(P<0.05), respectively as compared with that of SHAM.
结果:(1)与假手术组比,骨质疏松对照组的股骨颈最大载荷、第2腰椎最大凹入载荷和第3腰椎最大压缩载荷3项力学性能指标分别降低了50%、40%和27%(P<0·05)。
Test of laboratory and production was done
Results show that starting pressure of bottom blowing Argon was 0
00 MPa,working pressure was 0
60 MPa,time of blowing Argon was 3 minutes up
20 mm diameter rod of 20MnSi steel was produced by this process
Its tensile strength was 3
72 MPa up,other mechanical performance was analogous to top blowing Argon steel
进行了实验室模拟试验及现场生产试验,结果表明:钢包底吹氩时,吹氩启动压力一般为0.30~1.00MPa,工作压力一般为0.20~0.60MPa,吹氩时间>3min。 按此吹氩工艺参数生产的20MnSi?20mm螺纹钢材,其抗拉强度提高了3.72MPa,其它力学性能指标与顶吹氩钢相近
The optimal technical parameters were:Soaking pressure 0.7 MPa,pressure time 2 h,volume ratio of ACQ to UF 4∶1.All following mechanical properties were increased respectively,in which compression strength by 21%,the MOE by 11.2%,MOR by 32.9%,abrasion amount of quarter section and tangential section by 160%,162% respectively.
其优化工艺参数:浸渍压力0.7 MPa、加压时间2 h、ACQ/UF体积比4∶1,提高各项力学性能指标为:顺纹抗压强度、抗弯弹性模量、抗弯强度、磨耗量(径面、弦面)各增加21%、11.2%、32.92%(160%、162%).
KES tester,LFY-1 crease recovery tester and YG811 drapemeter are employed to gain fabric basic mechanical property indexes,drape coefficient and crease recovery angle.
利用KES织物风格仪,LFY-1织物折皱回复性测定仪,YG811织物悬垂性测定仪获得了织物的基本力学性能指标、悬垂系数及折皱回复角;
The TiCp/LD7 composites with different weight fraction
of TiCp were prepared with XDmethod The mechanical properties of the composites on T4 and T6 condition were tested The results show that theyield strength ultimate tensile strength, modules, specific strength and specific stiffness of the composites areremarkably higher than that of its matrix LD7 alloy
采用XD法制备了不同TiCp含量(重量百分数)的TiCp/LD7复合材料,测试了T4、T6两种状态下该材料的力学性能.结果表明:TiCp/LD7复合材料的屈服强度、抗拉强度、弹出模量、比强度、比刚度等力学性能指标,均比LD7基体合金有较大幅度的提高
查询“力学性能指标”译词为用户自定义的双语例句&&&&我想查看译文中含有:的双语例句
为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。&&&&&&&& The transformation process of α'martensite into reverted austenite has beenstudied with the metallographic and TEM technique.When the heating temperature isbelow As,the globular reverted austenite is first formed on the prior austenite grainboundaries,martensite packet boundaries and lath interphase with diffusional mecha-nism.After attaining a diameter of 0.2—0.8μm,the austenite globules grow no more.The reason why there exists an ultimate size at which globules stop grow can beexplained by a simple diffus... &&&&&&&&&&&&通过光学和电子显微镜,研究了在临界区加热时奥氏体的逆转变过程。结果表明:在低于 A_s 温度加热时,逆转变是以扩散机制在原奥氏体晶界、马氏体领域界和板条周界上首先形成球状奥氏体。当奥氏体球长大到直径约为0.2-0.8微米后,不再继续长大。奥氏体球具有极限尺寸的原因,可用一个简单的模型来解释。在稍低于 A_s 温度加热时,沿马氏体板条周界上形成的奥氏体球大量增加,彼此连结成条片状分布。在 A_s 温度以上加热时,奥氏体以无扩散的切变机制形成板条状的形貌。在γ区和(α+γ)区循环热处理时,马氏体领域尺寸获得了细化。在低于 A_s 温度的回火,残留奥氏体量增多,而温度超过 A_s 温度时,回火后残留奥氏体量降低到接近零。当回火温度和时间相同时,马氏体领域尺寸越小则回火后残留奥氏体量愈多。低温拉伸、系列冲击和低温下疲劳裂纹扩展速率等的试验结果得出:改善低温强韧性的组织因素是,α相的充分回复、晶粒的细化和稳定的残留奥氏体。前两个因素的作用更为显著。粗晶态下,残留奥氏体对σ_(0.2),δ_5和 C_V 的影响比细晶态尤为明显。连结成条片状分布的奥氏体较不稳定,在冷却到室温或-196℃后将转变为未回火的马氏体,反而有损于...&&&&&&&& In this paper an analysis, as well as a study, has been made about the relation between classical mechanics and fracture mechanics in the aspects of the mechanics pattern, the strength of the dynamic and static loads, and the mechanical properties of materials. It has been demonstrated that fracture mechanics is derived from classical mechanics would be a supplement to it, and would make development of it as well. &&&&&&&&&&&&本文从力学模型、动静载强度和材料的力学性能指标等方面,分析研究传统力学和断裂力学等的关系,从而论述了传统力学是断裂力学的基础,而断裂力学是传力学的补充和发展。&&&&&&&& This paper introduces a series of targets of the mechanical properties of &&&&&&&&&&&&本文介绍了在低温下物理机械性能已经确定了的板式橡胶桥梁支座的力学性能指标,同时提供了一个成本低廉、操作方便的低温鉴定试验方法。&nbsp&&&&&&&&相关查询:
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&2008中国知网(cnki) 中国学术期刊(光盘版)电子杂志社金属材料主要力学性能指标项目的说明_百度文库
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你可能喜欢什么叫材料的力学性能?有哪些主要指标?_百度知道
什么叫材料的力学性能?有哪些主要指标?
提问者采纳
材料定温度条件外力作用抵抗变形断裂能力称材料力性能锅炉、压力容器用材料规力性能指标主要包括:强度、硬度、塑性韧性等
(1)强度 强度指金属材料外力作用变形或断裂抗力强度指标设计决定许用应力重要依据用强度指标屈服强度σS或σ0.2抗拉强度σb高温工作要考虑蠕变极限σn持久强度σD
(2)塑性 塑性指金属材料断裂前发塑性变形能力塑性指标包括:伸率δ即试拉断相伸量;断面收缩率ψ即试拉断拉断处横截面积相缩量;冷弯(角)α即试件弯曲受拉面现第条裂纹所测角度
(3)韧性 韧性指金属材料抵抗冲击负荷能力韧性用冲击功Ak冲击韧性值αk表示Αk值或αk值除反映材料抗冲击性能外材料些缺陷敏能灵敏反映材料品质、宏观缺陷显微组织面微变化且Ak材料脆性转化情况十敏低温冲击试验能检验钢冷脆性
表示材料韧性新指标断裂韧性δ反映材料裂纹扩展抵抗能力
(4)硬度 硬度衡量材料软硬程度性能指标硬 度试验较原理相同测硬度值含义完全用静负荷压入硬度试验即布氏硬度(HB)、洛氏硬度(HRA、HRB、HRC)、维氏硬度(HV)其值表示材料表面抵抗坚硬物体压入能力肖氏硬度(HS)则属于跳硬度试验其值代表金属弹性变形功硬度单纯物理量反映材料弹性、塑性、强度韧性等种综合性能指标
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2 常规材料力学性能指标与评价- 2012东北大学力学性能评价课件
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3秒自动关闭窗口金属材料力学性能指标有什么意义_百度知道
金属材料力学性能指标有什么意义
提问者采纳
主要反映甫单催吠诎杜挫森旦缉材料在受力后表现出的能力,比如强度,反映材料抵抗破坏的能力,强度越高,越结实.材料的力学性能很重要,除一些特殊性能要求的材料以外,在材料选用上主要考虑力学性能.
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