Assessment of critical level of shear stresses in tribocouples of Аl 2 O 3  and metal details of ITER blanket modules

A. N. Zaitsev; Yu. S. Strebkov; A. Yu. Leshukov; V. M. Ivanov; L. I. Kuksenova; B. Ya. Sachek; A. M. Mezrin; Yu. P. Aleksandrova

doi:10.3103/S1052618816060145

Assessment of critical level of shear stresses in tribocouples of Аl₂O₃ and metal details of ITER blanket modules

Autores: Zaitsev A.¹, Strebkov Y.¹, Leshukov A.¹, Ivanov V.¹, Kuksenova L.², Sachek B.³, Mezrin A.³, Aleksandrova Y.⁴
Afiliações:
1. Dollezhal Research and Development Institute of Power Engineering
2. Blagonravov Research Institute for Machine Science
3. Ishlinsky Institute for Problems in Mechanics
4. Moscow Aviation Institute (National Research University)
Edição: Volume 45, Nº 6 (2016)
Páginas: 522-530
Seção: Reliability, Strength, Wear Resistance of Machines and Constructions
URL: https://journals.rcsi.science/1052-6188/article/view/193084
DOI: https://doi.org/10.3103/S1052618816060145
ID: 193084

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The shear strength of plasma-sprayed electroinsulating Аl₂O₃ coating has been determined for blanket modules of a thermonuclear reactor in a friction couple with 316L(N)-IG steel and BrAZhNMts9-4-4-1 bronze. An analysis of the experimental and calculated data on the influence of shear stresses on the electric insulation of blanket modules has revealed the need to decrease the coefficient of friction to permissible level [f] = 0.28 in the range of contact pressures Р = 3–500 MPa.