MANUFACTURING PROCESS FOR FRAMELESS EQUISTRONG SUPERCONDUCTING SOLENOID Russian patent published in 1995 - IPC

FIELD: controlled thermonuclear fusion plants. SUBSTANCE: process involves creation of internal radial pressure within frameless superconducting solenoid within framework determined by equation P₁=1/2σ_y·(1-a²b²)<P<P₂=σ_yln b/a,, where P₁ is first critical pressure; P₂ is second critical pressure; σ_y is yield point; a is solenoid internal radius; B is solenoid external radius; as soon as elastoplastic state is attained in its internal turns, pressure is released and sectionally equistrong superconducting solenoid is obtained. EFFECT: enlarged service life, critical current margin for superconductor, eliminated relative displacement of solenoid turns. 4 dwg