Results 71 to 80 of about 1,628,826 (288)
Magnesium (Mg) and its alloys usually show relatively low strength and poor ductility at room temperature due to their anisotropic hexagonal close-packed (HCP) crystal structure that provides a limited number of independent slip systems.
Ruixiao Zheng +5 more
semanticscholar +1 more source
Grain refinement of stainless steel in ultrasound-assisted additive manufacturing
Metals and alloys fabricated by fusion-based additive manufacturing (AM), or 3D printing, undergo complex dynamics of melting and solidification, presenting challenges to the effective control of grain structure.
C. J. Todaro +5 more
semanticscholar +1 more source
Additive manufacturing (AM) allows great geometric freedom for lightweight components. As parts are progressively optimized exploiting potentials in AM leading in smaller material cross sections, high pressure solution treating and aging (STA) treatments show an enormous potential for strongly improving material properties.
Mika León Altmann +4 more
wiley +1 more source
Grain refinement of B319 alloy using spark plasma sintered Al-Ti-C grain refiners
The B319 aluminum alloy is a candidate material for automotive applications, where engineers and materials designers are seeking to improve vehicle efficiency through vehicle weight reduction. Although the alloy has many desirable properties, such as it’s excellent castability and moderate strength to weight ratio, continued efforts on further ...
Anil Prasad +3 more
openaire +2 more sources
Effect of Enhanced Grain Refinement in Friction Welded SUS316L Alloy [PDF]
To investigate the solid state weldability on SUS316L alloy, this work was carried out. Friction welding as a solid state welding was introduced and conducted at a rotation speed of 2,000 rpm and a friction pressure of 25 MPa on tube typed specimens ...
Youngkyu Kim, Kukhyun Song
doaj +1 more source
High‐temperature interactions between low‐sulfur Al‐killed Mn–B steel and MgO–C refractories (0 and 50 wt% recyclates) are studied via finger immersion tests (1600 °C). Surface‐active elements influence infiltration. MgO/CaS layer forms, along with spinel and calcium silicate.
Matheus Roberto Bellé +5 more
wiley +1 more source
It is shown that laser ablation pretreatment under oxygen‐free conditions enables copper–aluminium bonding at significantly lower deformation degrees and improved properties compared to mechanical brushing. Laser ablation further increases interface contact area and induces favourable residual stress states and microstructural compatibility ...
Khemais Barienti +11 more
wiley +1 more source
Conventional Al–Ti–B and Al–Ti–C refiners fail to refine Al–Si casting alloys with high Si content due to the well-known “Si-poisoning” effect. Developing a novel grain refiner with superior grain refinement efficiency for Al–Si casting alloys is the ...
Qiuju Zheng +3 more
doaj +1 more source
Grain refinement of magnesium alloys by dynamic recrystallization (DRX): A review
H. Mirzadeh
semanticscholar +1 more source
Low‐cycle fatigue damage in Mn–Mo–Ni reactor pressure vessel steel is examined using a combined electron backscatter diffraction and positron annihilation lifetime spectroscopy approach. The study correlates texture evolution, dislocation substructure development, and vacancy‐type defect formation across uniform, necked, and fracture regions, providing
Apu Sarkar +2 more
wiley +1 more source

