2015
DOI: 10.22226/2410-3535-2015-3-246-252
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Friction stir processing (FSP) and superplasticity

Abstract: FSP is an allied technology of friction stir welding (FSW). The development and applications of these technologies are reviewed and additional considerations such as processing pattern and step over distance between successive passes in FSP are discussed. The deformation field for a rotating and advancing tool is not symmetric about the axis of tool motion. Thus, various spiral patterns with step over distances less than the tool pin diameter result in replacement of advancing interfaces (tool tangential veloc… Show more

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Cited by 6 publications
(2 citation statements)
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References 17 publications
(23 reference statements)
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“…The production of new materials, by mixing reinforcing particles in metallic subtracts [93, 94] or by solid-state stirring of materials with very different properties/melting points, such as the production of intermetallic alloys [95] and metallic foams [96, 97], are other important applications of the FSP techniques. As specific applications of processing in bulk/surface enhancement may be referred the improvement of casting properties through the suppression of pores, grain refinement and homogenisation of phase composition [98], or the production of superplastic materials [99, 100]. Surface enhancement may be obtained either by microstructural refinement or by an in situ production of composite layers.…”
Section: Fsw Variants and Related Technologiesmentioning
confidence: 99%
“…The production of new materials, by mixing reinforcing particles in metallic subtracts [93, 94] or by solid-state stirring of materials with very different properties/melting points, such as the production of intermetallic alloys [95] and metallic foams [96, 97], are other important applications of the FSP techniques. As specific applications of processing in bulk/surface enhancement may be referred the improvement of casting properties through the suppression of pores, grain refinement and homogenisation of phase composition [98], or the production of superplastic materials [99, 100]. Surface enhancement may be obtained either by microstructural refinement or by an in situ production of composite layers.…”
Section: Fsw Variants and Related Technologiesmentioning
confidence: 99%
“…Перспективным направлением в улучшении свойств различных материалов является поверхностное пластическое деформирование. Существует ряд методов для создания на поверхности металла упрочненного слоя с измельченной структурой в результате интенсивного механического воздействия: фрикционная [1,2] и дробеструйная обработки [3], ультразвуковая обработка шариками в вакууме [4] или инструментом, колеблющимся с ультразвуковой частотой [5,6], обработка трением с перемешиванием [7] и другие. Преимуществом таких обработок является возможность изменять свойства поверхности при сохранении структуры изделия в целом и создавать благоприятные сжимающие напряжения в упрочненном слое с плавным переходом к основе [8].…”
Section: Introductionunclassified