- 非線性粘彈性
- viscoelasticity: 彈粘性; 粘彈性; 滯彈性; 黏彈性
- bulk viscoelasticity: 體積粘彈性
- dentinal viscoelasticity: 鈣牙本質(zhì)粘彈性
- dynamic viscoelasticity: 動(dòng)態(tài)粘彈性; 動(dòng)態(tài)黏彈性
- interfacial viscoelasticity: 界面粘彈性
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nonlinear viscoelasticity中文什么意思
- 非線性粘彈性
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例句與用法
- High molecule physics and the damage theory of rheologic material with lacuna are used in experiments to study the pmma ' s nonlinear viscoelasticity and changing depends on time and temperature when distorting and destroying . we try to seek a common rule to polymer ' s crazing damage , offer a viable damage model and measure to research polymer ' s minute damage
本文運(yùn)用高分子物理、含缺陷流變性物體的材料破壞等理論，以實(shí)驗(yàn)為基礎(chǔ)，對(duì)聚合物變形、破壞以及時(shí)間相依和溫度依賴性等非線性力學(xué)行為進(jìn)行研究，試圖尋求聚合物銀紋損傷的一般規(guī)律，為研究聚合物的細(xì)觀損傷提供了一種可行的損傷模型與方法。 - ( 2 ) using craze density dcraze ( , ) to illustrate the damage degree of material , considering strain equivalent hypothesis , non - linear visco - elastic constitutive equation of pmma taken into consideration of the operation of craze damage is arrived . the pmma sheet is loaded under different forces to validate the non - linear visco - elastic constitutive equation with damage . the result shows that the theory curves obtained by the nonlinear viscoelasticity constitutive relation agrees with experimental data considerably well
( 2 )用銀紋密度d _ ( craze ) ( ， t )來描述材料的損傷度d ，在考慮應(yīng)變等效性假設(shè)的基礎(chǔ)上，得到了pmma材料考慮損傷的非線性粘彈性材料的本構(gòu)關(guān)系，運(yùn)用此方程對(duì)材料在不同載荷水平下進(jìn)行蠕變實(shí)驗(yàn)，從而對(duì)蠕變條件下的應(yīng)變響應(yīng)進(jìn)行模擬和預(yù)報(bào)。 - In this paper , we take high molecule physics and the damage theory of rheologic material with lacuna as the basic , make the experiment as a mostly measure , take the pmma as a research object , to study the pmma ' s nonlinear viscoelasticity of high polymer . the technique showing minute details in minute view measure is used by the author to observe the change of crazing damage density follow the change of stress , time and temperature in term of creep and flab
本文以高分子物理學(xué)、含缺陷流變性物體的材料破壞理論為基礎(chǔ)，以實(shí)驗(yàn)為手段，以工程中常用的pmma為研究對(duì)象，對(duì)pmma銀紋破壞的非線性力學(xué)行為進(jìn)行了研究。作者采用顯微技術(shù)，對(duì)pmma在蠕變或松弛條件下，不同應(yīng)力水平和不同基溫下的pmma銀紋損傷進(jìn)行了實(shí)驗(yàn)研究。 - The main purpose of this paper is to study crack growth rate of a class of nonlinear viscoelastic materials under the condition of constant load and small - strain . in this paper : the new test program is raised by referencing the existing test programs and by our trial and error ; in the new test program , facilities involved in the nonlinear viscoelastic crack tests are relatively few , the test process is relatively simple and the data obtained from the experiments are credible . on this basic , the calculation of j integral of nonlinear viscoelastic double cantilever beams specimens and the parameter of fracture work of corresponding nonlinear viscoelasticity are derived
具體成果包括： 1 、證實(shí)了雙懸臂梁試件用于非線性粘彈性裂紋擴(kuò)展實(shí)驗(yàn)研究的優(yōu)點(diǎn)：雙懸臂梁試件在實(shí)驗(yàn)中能觀測到的擴(kuò)展過程持續(xù)時(shí)間比較長，在計(jì)算j積分時(shí)，計(jì)算方法簡單； 2 、得到了改性聚丙烯材料用于非線性粘彈性裂紋擴(kuò)展實(shí)驗(yàn)的兩種有效的試件構(gòu)形和相應(yīng)的試件尺寸；采用不斷改善夾具的方法使得加載穩(wěn)定； 3 、經(jīng)過連續(xù)四個(gè)多月的時(shí)間得到了一組有用的實(shí)驗(yàn)數(shù)據(jù)； 4 、得到了裂紋長度與時(shí)間的關(guān)系、裂紋擴(kuò)展速度與時(shí)間的關(guān)系、裂紋擴(kuò)展速度與裂紋長度的關(guān)系。