SU983499A1 - Specimen for investigating material resistance to crack propagation - Google Patents
Specimen for investigating material resistance to crack propagation Download PDFInfo
- Publication number
- SU983499A1 SU983499A1 SU813324508A SU3324508A SU983499A1 SU 983499 A1 SU983499 A1 SU 983499A1 SU 813324508 A SU813324508 A SU 813324508A SU 3324508 A SU3324508 A SU 3324508A SU 983499 A1 SU983499 A1 SU 983499A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- notch
- specimen
- crack propagation
- material resistance
- sample
- Prior art date
Links
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- Sampling And Sample Adjustment (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Description
Изобретение относитс к исследованию прочностных свойств материала, а именно к образцам дл исследовани сопротивлени материала риспространению трещин. .Известен образец дл исследовани сопротивлени материала распространению трещин, имеющий надрез и наверченную из верщины надреза усталостную трещину, вьшолненный в виде призматического стержн , а нагружение образца осуществл ют изгибом Cl 3 . Недостатком образца вл етс невозможность исследовани листовых материалов Наиболее близким к изобретению по технической сущнЬсти и достигаемому результату вл етс образец дл нссдюдовани сопротивлени материала распрост райению трещин, вьшолненный в виде диска с надрезом на его плоской поверетос- ти и с наведенной из вершины надреза усталостной трещиной Известный образец вьшолн ют из лист вой заготовки и нагружают сжатием- Над рез, выполненный на , выход т на его торцовые стороны Г 2 } . Недостатке извес-гаого о%1вэ6а taaaетс низка точноехъ {1сследова1Шй корро зионного растрескивани вследствве что имеютс зоны выхода корроэв ахЛ трещины на боковую пов псность оОрлзал и допол1штельный контакт с кар/роа авкЛ сре;дой. Целью изобретена вл етс доиьшпи ю точности при 11сслед(юании корроэвошюго растрескивани . Указанн( оопь дост 1гаетс тем, что в образце дл исследовани сопрот впе и материала распростравев ю треш , выполненном в вцде диска с падрезом на его плоской пснаерхности и с нелт&ааЛ из вершины надреза усталостиой трешшюй, надрез выполнен вдоль окружности, центр которой совпадает с центром диска. На 1 изображен образец с надрезом; на фиг. 2 -, сечение А-А на фиг. 1. На образце 1 в виде диска выполнен круговой надрез 2 адоль окружности, йентрThe invention relates to the study of the strength properties of a material, namely to samples for studying the resistance of a material to crack propagation. A sample is known for examining the resistance of a material to crack propagation, having a notch and a fatigue crack screwed out of the notch tip, made in the form of a prismatic rod, and loading the specimen by bending with Cl 3. The disadvantage of the sample is the impossibility of examining sheet materials. The closest to the invention by technical essence and the achieved result is a sample for measuring the resistance of a material to the spreading of cracks made in the form of a disk with a notch on its flat surface and with a fatigue crack induced from the top of the notch Known The sample is made from a sheet of blank and loaded with compression. Above the cut, made on, exit onto its face sides D 2}. The lack of izvesti gaogo% 1ve6a taaaaetsa low exact {1sledovogo korodionnogo corrosion cracking due to the fact that there are zones of emergence of corrosive AXL cracks on the lateral psnossalzalz and additional contact with the car / carrose car; The aim of the invention is to achieve accuracy at 11s (in the case of corrosive cracking. This is indicated by the fact that in the specimen for the study of the resistance of the material and the spread trash material, performed in the vtsde disk with padresome on its flat surface and with the surface and the surface; top of the notch is fatigue trashy, the notch is made along the circumference, the center of which coincides with the center of the disk. In Fig. 2 - section A-A in Fig. 1. In sample 1, a circular incision 2 is made in the sample 1 adol circumference, center
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU813324508A SU983499A1 (en) | 1981-07-22 | 1981-07-22 | Specimen for investigating material resistance to crack propagation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU813324508A SU983499A1 (en) | 1981-07-22 | 1981-07-22 | Specimen for investigating material resistance to crack propagation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU983499A1 true SU983499A1 (en) | 1982-12-23 |
Family
ID=20971764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU813324508A SU983499A1 (en) | 1981-07-22 | 1981-07-22 | Specimen for investigating material resistance to crack propagation |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU983499A1 (en) |
-
1981
- 1981-07-22 SU SU813324508A patent/SU983499A1/en active
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