Mechanical properties of metastable austenitic steels strengthened by phase strain hardening and hydroextrusion

Beresnev, B. I.; Georgieva, Iveta; Eshchenko, R. N.; Teplov, V. A.

doi:10.1007/bf00700552

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2019

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“…The deformation method consisting in a pressing-out of samples by liquid of high pressure (hydroextrusion process) was many years ago offered [20]. The main action on plastic forming in this method exerts hydrostatic pressure, and influence of frictional force in the deformation zone is minimized.…”

Section: Introductionmentioning

confidence: 99%

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The Usage of Hydroextrusion for Plastic Deformation of Magnetostrictive Iron-Gallium Alloys

Gervasyeva

Milyutin

Davidov

et al. 2019

MSF

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For the first time hydroextrusion process was chosen for Fe-Ga ingots deformation with a gallium content of 19 and 20 at.%. The samples were annealed at 950oC, followed by air cooling. Structure of deformation and primary recrystallyzation were investigated by the method of electron back-scattered diffraction (EBSD). The degree of hydroextrusion deformation achieved was 28 – 42 %. There was not found any crystallographic texture at such degree of deformation. The value of magnetostriction in recrystallization sample was about 100 ppm. Available in literature methods and approaches to creation of the Fe-Ga samples from the point of view of receiving high magnetostriction and also a possibility of machining of the samples are discussed.

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Section: Introductionmentioning

confidence: 99%

“…The main action on plastic forming in this method exerts hydrostatic pressure, and influence of frictional force in the deformation zone is minimized. It is shown in [20], that hydroextrusion allows deforming brittle metals broken down at routine ways of deformation.…”

Section: Introductionmentioning

confidence: 99%