CN106769477B - The determination method of axis load lower prestress circular membrane maximum stress - Google Patents

The determination method of axis load lower prestress circular membrane maximum stress Download PDF

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Publication number
CN106769477B
CN106769477B CN201710033846.9A CN201710033846A CN106769477B CN 106769477 B CN106769477 B CN 106769477B CN 201710033846 A CN201710033846 A CN 201710033846A CN 106769477 B CN106769477 B CN 106769477B
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circular membrane
prestressing force
maximum stress
load
axis
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CN106769477A (en
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何晓婷
杨志欣
练永盛
王腾飞
李杨辉
蔡珍红
孙俊贻
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Anhui Taointelligent Technology Information Co ltd
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Chongqing University
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
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  • General Health & Medical Sciences (AREA)
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  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The invention discloses the determination methods of axis load lower prestress circular membrane maximum stress: at the prestressing force circular membrane center that periphery fixes to clamp, one transverse load F is applied to prestressing force circular membrane by a smooth flat cylindrical body loading axis, wherein, the Young's modulus of elasticity of prestressing force circular membrane be E, Poisson's ratio ν, prestressing force σ0, with a thickness of h, radius a, the radius of smooth flat cylindrical body loading axis is b, standing balance analysis based on this On Axisymmetric Deformation of A then can determine that maximum stress σ of the prestressing force circular membrane under transverse load F effect using the measured value of transverse load Fm

Description

The determination method of axis load lower prestress circular membrane maximum stress
Technical field
The present invention relates to the determination methods for prestressing force circular membrane maximum stress under axis load that periphery fixes to clamp.
Background technique
Circular membrane structure has a wide range of applications in fields such as machinery, electronics, bioengineering.In fact, due to temperature, The influence of the factors such as the variation of humidity and manufacture craft makes in circular membrane structure after molding, in most cases Can be there is certain prestressing force in film, prestressed presence will change the mechanical behavior of circular membrane structure.In general, adopting Apply load at circular membrane center with loading axis, load, measurement work can be made more convenient, however from the knot of document Investigation Fruit sees that axis loads the analytic solutions of the On Axisymmetric Deformation of A for the prestressing force circular membrane that following peripheral fixes to clamp, there is presently no It is presented, thus influences the work for determining prestressing force circular membrane maximum stress based on load measurement value.
Summary of the invention
This invention address that the analysis research of film problem, prestressing force that Analytical Solution axis load following peripheral fixes to clamp The On Axisymmetric Deformation of A of circular membrane obtains the analytic solutions of the problem, and solid to shaft load following peripheral on this basis The determination method of the maximum stress of the tight prestressing force circular membrane of clamp.
The determination method of axis load lower prestress circular membrane maximum stress: thin in the prestressing force circle that periphery fixes to clamp At center membrane, a transverse load F is applied to prestressing force circular membrane by a smooth flat cylindrical body loading axis, In, the Young's modulus of elasticity of prestressing force circular membrane is E, Poisson's ratio ν, prestressing force σ0, with a thickness of h, radius a, it is smooth The radius of flat cylindrical body loading axis be b, the standing balance analysis based on this On Axisymmetric Deformation of A, the prestressing force is round The maximum stress σ of filmmIt can be expressed as with the parsing relationship of transverse load F
Wherein, π is pi,
And c0And c1Value by equation
With
It determines, all parameters all use the International System of Units.
As long as in this way, measuring the value of transverse load F, so that it may determine the prestressing force circular membrane in transverse load F Maximum stress σ under effectm
Detailed description of the invention
Fig. 1 is that the prestressing force circular membrane that periphery fixes to clamp loads organigram, wherein 1- prestressing force circle is thin Film, 2- smooth flat cylindrical body loading axis, 3- clamping device, and a indicates that the inside radius of clamping device and prestressing force are round The radius of film, b indicate that the radius of smooth flat cylindrical body loading axis, F indicate that loading axis applies prestressing force circular membrane The transverse load added, wmIndicate the maximum defluxion of prestressing force circular membrane.
Specific embodiment
Technical solution of the present invention is described in further detail below with reference to Fig. 1:
At the prestressing force round rubber thin film center that periphery fixes to clamp, loaded by a smooth flat cylindrical body Axis applies a transverse load F to prestressing force round rubber film, wherein the Young's modulus of elasticity of prestressing force round rubber film E=7.84MPa, Poisson's ratio ν=0.47, prestressing force σ0=0.2MPa, thickness h=1mm, radius a=50mm, smooth flat circle The radius b=5mm of cylinder loading axis.Measure transverse load F=15N.Using method given by the present invention, pass through equation
With
Wherein,
Then available c0=1.330249489, c1=2.239081372.Finally, by formula
It is then available, as transverse load F=15N, the maximum stress σ of the prestressing force round rubber filmm= 1.509MPa。

Claims (1)

1. the determination method of axis load lower prestress circular membrane maximum stress, it is characterised in that: fixed to clamp on periphery pre- A transverse direction is applied to prestressing force circular membrane by a smooth flat cylindrical body loading axis at stress circle thin film center Load F, wherein the Young's modulus of elasticity of prestressing force circular membrane is E, Poisson's ratio ν, prestressing force σ0, with a thickness of h, radius Radius for a, smooth flat cylindrical body loading axis is b, measures the value of transverse load F, determines the prestressing force by following formula Maximum stress σ of the circular membrane under transverse load F effectm:
Wherein, π is pi,
And c0And c1Value by equation
With
It determines, all parameters all use the International System of Units.
CN201710033846.9A 2017-01-16 2017-01-16 The determination method of axis load lower prestress circular membrane maximum stress Expired - Fee Related CN106769477B (en)

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110044538B (en) * 2019-04-09 2020-10-09 重庆大学 Method for determining maximum stress of circular film under action of liquid
CN111442977B (en) * 2020-03-12 2022-03-08 重庆大学 Method for determining maximum stress of circular film under action of transversely uniformly distributed load
CN111474041A (en) * 2020-04-22 2020-07-31 重庆大学 Method for determining elastic energy of prestressed circular film under uniformly distributed load
CN111474040A (en) * 2020-04-22 2020-07-31 重庆大学 Method for determining elastic energy of prestressed round film under action of uniformly distributed load
CN111474039A (en) * 2020-04-22 2020-07-31 重庆大学 Method for determining maximum deflection of prestressed circular film under action of uniformly distributed load
CN113720689A (en) * 2021-08-17 2021-11-30 重庆大学 Method for determining the maximum stress of a circular membrane in contact with a rigid plate under gas pressure

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5808207A (en) * 1997-06-30 1998-09-15 The Aerospace Corporation Microballoon impregnated fiber reinforced RTV film compression stress sensor testing method
JP2001153770A (en) * 1999-11-26 2001-06-08 Nichirin Co Ltd Measuring method for static physical property value of anisotropic viscoelastivity of rubber hose with reinforcement layer
CN1924548A (en) * 2006-09-15 2007-03-07 西安交通大学 Method for measuring yield strength of metal membrane at test current
CN101520385A (en) * 2008-02-27 2009-09-02 中国科学院半导体研究所 Method for testing mechanical property and reliability of thin film material of micro-electromechanical system (MEMS) and device thereof
CN101788427A (en) * 2010-01-29 2010-07-28 湘潭大学 Device for detecting mechanical property of multifunctional film
CN102426068A (en) * 2011-09-14 2012-04-25 华东理工大学 Prediction method for surface thin film residual stress
CN103822736A (en) * 2014-03-24 2014-05-28 重庆大学 Method for determining membrane stress value of periphery clamped circular membrane under effect of concentrated force
CN104019931A (en) * 2014-06-19 2014-09-03 重庆大学 Method for determining maximum stress of prestressed annular thin film under transverse concentrated load
CN105956379A (en) * 2016-04-26 2016-09-21 重庆大学 Method for determining maximum stress of annular thin film with rigid plate in center under uniformly distributed load

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5808207A (en) * 1997-06-30 1998-09-15 The Aerospace Corporation Microballoon impregnated fiber reinforced RTV film compression stress sensor testing method
JP2001153770A (en) * 1999-11-26 2001-06-08 Nichirin Co Ltd Measuring method for static physical property value of anisotropic viscoelastivity of rubber hose with reinforcement layer
CN1924548A (en) * 2006-09-15 2007-03-07 西安交通大学 Method for measuring yield strength of metal membrane at test current
CN101520385A (en) * 2008-02-27 2009-09-02 中国科学院半导体研究所 Method for testing mechanical property and reliability of thin film material of micro-electromechanical system (MEMS) and device thereof
CN101788427A (en) * 2010-01-29 2010-07-28 湘潭大学 Device for detecting mechanical property of multifunctional film
CN102426068A (en) * 2011-09-14 2012-04-25 华东理工大学 Prediction method for surface thin film residual stress
CN103822736A (en) * 2014-03-24 2014-05-28 重庆大学 Method for determining membrane stress value of periphery clamped circular membrane under effect of concentrated force
CN104019931A (en) * 2014-06-19 2014-09-03 重庆大学 Method for determining maximum stress of prestressed annular thin film under transverse concentrated load
CN105956379A (en) * 2016-04-26 2016-09-21 重庆大学 Method for determining maximum stress of annular thin film with rigid plate in center under uniformly distributed load

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
Theoretical study on shaft-loaded blister test technique: Synchronous characterization of surface and interfacial mechanical properties;Junyi Sun等;《International Journal of Adhesion & Adhesives》;20141231;第128-139页
均布荷载下受有预加张力圆薄膜的轴对称变形;何晓婷等;《重庆大学学报》;20100131;第109-112页
轴对称线布载荷作用下圆薄膜大挠度问题研究;高晓威;《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》;20140315;第C038-312页

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