SU522454A1 - Test method for thin-sheet materials under cyclic loading - Google Patents
Test method for thin-sheet materials under cyclic loadingInfo
- Publication number
- SU522454A1 SU522454A1 SU2117142A SU2117142A SU522454A1 SU 522454 A1 SU522454 A1 SU 522454A1 SU 2117142 A SU2117142 A SU 2117142A SU 2117142 A SU2117142 A SU 2117142A SU 522454 A1 SU522454 A1 SU 522454A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- thin
- sheet materials
- test method
- cyclic loading
- materials under
- Prior art date
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Description
1one
Изобретение относитс к области исследовани прочностных свойств конструкционных материалов и, в частности, к тонколистовым образцам дл испытани прочности материалов ири циклическом нагружеНИИ раст жением-сжатием.The invention relates to the field of researching the strength properties of structural materials and, in particular, to thin-sheet specimens for testing the strength of materials and cyclic loading by tensile compression.
Известен способ испытаний образцов и элементов конструкций в режиме продольных и поперечных колебаний 1.A known method of testing samples and structural elements in the mode of longitudinal and transverse vibrations 1.
Недостатком известного способа вл етс трудность испытани тонколистовых материалов .The disadvantage of this method is the difficulty of testing thin-sheet materials.
Наиболее близким к предлагаемому но технической сущности и достигаемому эффекту вл етс способ испытани тонколистовых материалов при циклическом нагружении , заключающийс в том, что образец закрепл ют на вибраторе и возбуждают в нем колебани 2.The closest to the proposed technical essence and the achieved effect is the method of testing thin-sheet materials under cyclic loading, which consists in fixing the sample on a vibrator and exciting oscillations in it 2.
Недостатком указанного способа вл етс неоднородное пале напр жений по толщине образца вследствие изгибных форм колебаний.The disadvantage of this method is non-uniform palest of stresses over the thickness of the sample due to bending vibration modes.
Предлагаемый способ отличаетс от известного тем, что используют образец, вьгаолненный в виде пластинчатого стержн профилированного сечени , например, Y-образной формы.The proposed method differs from the known one in that a sample is used that is bulge-like in the form of a bar-shaped rod with a shaped cross section, for example, of a Y-shape.
Это позвол ет повысить точность испытаний при высокочастотном погружении.This makes it possible to increase the accuracy of tests with high-frequency immersion.
На фиг. 1 приведена схема испытани предлагаемым способом; на фиг. 2 - используемые образцы тонколистового материала .FIG. 1 shows the test scheme of the proposed method; in fig. 2 - used samples of thin sheet material.
Нредлагаемый способ осуществл етс следующим образом.The proposed method is carried out as follows.
Образец 1 с помощью основани 2 крепитс на концентратор 3, который трансформирует колебани малой амплитуды, возникающие на больщой площади его входного торца, в колебани больщой амцлитуды , сосредотачиваемые на малой площади образца. Концентратор 3 соединен с преобразователем 4, вл ющимс источником колебаний и управл емым от электроустройства , на выход которого подключаетс обмотка 5 преобразовател .Sample 1 is fixed to hub 3 by means of base 2, which transforms small amplitude oscillations occurring on a large area of its input end, into oscillations of large amplitude centered on a small sample area. The hub 3 is connected to the converter 4, which is a source of oscillations and controlled from an electrical device, the output of which is connected to the winding 5 of the converter.
Образец (см. фиг. 2) выполн етс в виде пластинчатого стержн профилированного сечени , обеспечивающего достаточную поперечную жесткость. Готовый образец вклеиваетс в основание, которое при помощи резьбового соединени крепитс на концентратор возбз дител колебаний.The sample (see Fig. 2) is made in the form of a plate-shaped rod of profiled cross-section, which provides sufficient transverse rigidity. The finished specimen is glued to the base, which is fastened to the concentrator with a threaded joint on a hub.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU2117142A SU522454A1 (en) | 1975-03-25 | 1975-03-25 | Test method for thin-sheet materials under cyclic loading |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU2117142A SU522454A1 (en) | 1975-03-25 | 1975-03-25 | Test method for thin-sheet materials under cyclic loading |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU522454A1 true SU522454A1 (en) | 1976-07-25 |
Family
ID=20613877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU2117142A SU522454A1 (en) | 1975-03-25 | 1975-03-25 | Test method for thin-sheet materials under cyclic loading |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU522454A1 (en) |
-
1975
- 1975-03-25 SU SU2117142A patent/SU522454A1/en active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US1414077A (en) | Method and apparatus for inspecting materiai | |
| US3214969A (en) | Apparatus for fatigue testing under random loads | |
| SU522454A1 (en) | Test method for thin-sheet materials under cyclic loading | |
| Khalil et al. | Non-destructive testing of adhesively bonded joints using vibrational analysis | |
| RU2086943C1 (en) | Method determining logarithmic decrement of oscillations | |
| SU1392429A1 (en) | Method of determining tension in samples | |
| Merhar et al. | The influence of wood modification on transfer function of a violin bridge | |
| SU1516817A1 (en) | Method of vibratory check of single-dimensional structures | |
| SU1758490A1 (en) | Method of determining material fatigue characteristic | |
| SU1234753A1 (en) | Method of determining dynamic moduli of material elasticity | |
| SU830233A1 (en) | Device for measuring internal friction in solid bodies | |
| SU1021978A1 (en) | Method of investigating effect of ultrasonic field on construction material mechanical properties | |
| SU905721A1 (en) | Method of material fatigue damage determination | |
| SU1045069A1 (en) | Material fatigue-testing specimen | |
| SU983508A1 (en) | Orthotrope material dynamic rigidity modulus and dynamic modulus of elasticity determination method | |
| SU1054763A1 (en) | Process for inspecting elastic constant bounded rectangular plate | |
| SU608083A1 (en) | Method of investigating elastic energy dissipation | |
| SU1339442A1 (en) | Device for checking quality of building materials | |
| RU2085880C1 (en) | Process of test of extended construction structures | |
| SU849081A1 (en) | Device for cotton fibre breaking load determination | |
| SU1116349A1 (en) | Method of determining material modulus of elasticity | |
| SU853485A1 (en) | Method and specimen for investigation of friction and wear | |
| SU867426A1 (en) | Vibration intensifier | |
| SU688866A1 (en) | Method of determining dynamic characteristics of materials | |
| SU888020A1 (en) | Method of testing adhesive force between coating and substrate |