排序方式: 共有4条查询结果,搜索用时 0 毫秒
1
1.
Golovin V. A. Pechnikov N. V. Shchelkov V. A. Tsivadze A. Yu. 《Protection of Metals and Physical Chemistry of Surfaces》2018,54(6):1221-1232
Protection of Metals and Physical Chemistry of Surfaces - The possibility is shown of creating a chart of local corrosion damage in the walls of heat-exchange tubes on the basis of the data of... 相似文献
2.
3.
I. M. Varfolomeev G. A. Glebov Yu. F. Gortyshov A. N. Shchelkov R. A. Yaushev 《Journal of Engineering Physics and Thermophysics》1985,48(3):276-280
The results of an experimental investigation of the turbulence characteristics of detached flow in a channel with a rectangular cavity are given.Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 48, No. 3, pp. 387–391, March, 1985. 相似文献
4.
V. V. Salomykin E. V. Saprykin M. N. Shchelkov E. G. Belov S. A. Kaligin 《Steel in Translation》2010,40(2):157-159
Forged steel 50 rollers are used in the roughing group of wire and small-rod mills. In intense rolling, the roller pin often
breaks, since the pin experiences the maximum stress. It is established that the fracture is of fatigue type, and three disintegration
zones are identified. Crack propagation is due to the stress in the crack tip. The rate of crack propagation in cyclic loading
depends on the structure of the metal, the grain size, and the mechanical properties of the rollers. The unbroken rollers
are characterized by high values of the impact strength, initial and final temperatures of ingot forging, and σy/σB. An empirical dependence of the number of roller rotations to pin fracture on the mechanical properties of the material and
the loads is established. Small-grain structure of the metal matrix and purity of the metal ensure a good combination of strength
and plasticity. 相似文献
1