柠条的弯曲力学性能试验分析与研究论文.doc -- 9 元

1柠条的弯曲力学性能试验分析与研究目录柠条的弯曲力学性能试验分析与研究.........................................................................................................11引言.............................................................................................................................................................51.1研究的背景..............................................................................................................................................51.1.1柠条简介................................................................................................................................................51.1.2研究背景...............................................................................................................................................61.2研究现状及未来发展趋势.......................................................................................................................61.2.1研究现状................................................................................................................................................61.2.2未来发展趋势........................................................................................................................................71.3本研究的目的及意义..............................................................................................................................72.试验材料及方法..........................................................................................................................................72.1试验原料及工具（见附录）.................................................................................................................72.1.1原料的采集及保存................................................................................................................................72.1.2试样的制作及保存...............................................................................................................................72.2试验仪器..............................................................................................................................................82.2.1仪器简介................................................................................................................................................82.2.2仪器工作原理........................................................................................................................................82.3试验方法及内容......................................................................................................................................92.3.1试验的具体步骤................................................................................................................................92.3.2试验过程要点.......................................................................................................................................92.3.2.1原料的采集........................................................................................................................................92.3.2.2试样的制作........................................................................................................................................92.3.2.3测量柠条试样的宽度和厚度及画线标记......................................................................................102.3.2.4弯曲试验及生成报告.......................................................................................................................102.3.2.5计算机详细操作过程..................................................................................................................1023试验结果与分析.......................................................................................................................................133.1弯曲速度20mm/min，弯曲角度0°对柠条弯曲力学性能的影响.....................................................133.2弯曲速度20mm/min，弯曲角度30°对柠条弯曲力学性能的影响....................................................143.3弯曲速度20mm/min，弯曲角度45°对柠条弯曲力学性能的影响....................................................153.4弯曲速度20mm/min，数据对比..........................................................................................................164MALAB数据分析....................................................................................................................................165讨论试样制作方法的改进.......................................................................................................................176附录............................................................................................................................................................186.1角度台草图和柠条加工模具草图.........................................................................................................186.2试样图片和试验存档图片.....................................................................................................................197结论............................................................................................................................................................20参考文献.......................................................................................................................................................21致谢...............................................................................................................................................................21毕业论文中文摘要3柠条的弯曲力学性能试验分析与研究摘要柠条Caraganas是适应逆境比较强的一种特种植物，近些年来，许多学者对柠条进行了多方面的研究，并且将柠条进一步推向农业科学的前沿，本论文试验重点从柠条的剪切力学性能方面来研究的。该试验在微机控制电子万能试验机上完成，通过变换不同弯曲角度，对柠条进行剪切试验，从而得出柠条的弯曲力位移曲线及最大弯曲力，为人们利用柠条用途提供了一定的参考价值，为柠条收割机的设计与研制提供了理论依据。关键词柠条力学性能弯曲试验弯曲力4毕业论文英文摘要ThebendmechanicsperformancetestofforestationanalysisandresearchAbstractCaraganasisthetimetomeetadversitycomparestrongaspecialplants,inrecentyears,manyscholarsintheaspectsofthetime,thetimewillbefurtherpushthefrontiersoftheagriculturalscience,thispaperteststhefocusfromthetimethebendmechanicalperformancetostudy.Testinthemicrocomputercontrolelectronicuniversaltestingmachine,throughthetransformationofthecompletedifferentbendingAngle,thetimeofsheartest,andconcludedthatthetimeofthebendforcethedisplacementcurveandlargestfreshbendingforce,forpeopleusingthetimeUSESforacertainreferencevaluetothedesignanddevelopharvesterofamorphousprovidestheorybasis..KeywordsCaravansMechanicalpropertiesbendingtestShear