However, conventional techniques for strengthening this class of stainless steels typically comes at the expense
of ductility.
A good structural material will have the right balance
of ductility — the ability to bend in response to stress — and strength.
«New twist makes for better steel: Greater strength without loss
of ductility.»
Greater strength without loss
of ductility.
Not exact matches
As emergentists, too, would say; such properties as inflammability,
ductility, and temperature
of macro-objects are not among the properties
of individual molecules or atoms.
«For both alloys we found the niobium grain refiner could mean an end to the over-engineering
of cast components with potential weight savings
of up to 30 per cent with no loss
of strength or
ductility.
If conventional IF steel is made strong enough to withstand 450 megapascals (MPa)
of stress, it has very low
ductility — the steel can only be stretched to less than 5 percent
of its length without breaking.
«So it's critical in this kind
of system to push this strength -
ductility limit as far as possible.»
Engineers at Brown University, three Chinese universities, and the Chinese Academy
of Sciences have shown that when cylinders
of steel are twisted, their strength is improved without sacrificing
ductility.
The result is a steel cylinder with the best
of both worlds — the surface
of the cylinder becomes stronger and more resistant to cracking, while the inside retains its original
ductility.
«We call it the strength -
ductility tradeoff,» said Huajian Gao, professor
of engineering at Brown and senior author on this new research.
The work took several years and required the contributions
of the Ames Lab, which did X-ray diffraction to understand material performance; Georgia Tech, which performed modeling to understand how the material could have high strength and high
ductility, and Oregon State, which performed characterization and composition analysis.
LLNL scientist Morris Wang (left) and postdoc researcher Thomas Voisin played key roles in a collaboration that successfully 3D printed one
of the most common forms
of marine grade stainless steel that promises to break through the strength -
ductility tradeoff barrier.
Researchers have achieved a breakthrough in 3D printing one
of the most common forms
of marine grade stainless steel — a low - carbon type called 316L — that promises an unparalleled combination
of high - strength and high -
ductility properties for the...
The ambivalence
of materials, in terms
of strength and
ductility, soft and hard, can be clearly perceived in her works; She uses solid and structural materials that pressured physically become soft and flexible.
Awareness goes back to at least WWII, when some Liberty Ships sailing in the cold waters
of the North Atlantic broke in half due to temperatures lower than the nil
ductility transition temperature (NDTT)
of the steel used in the hulls.
These bubbles had disappeared completely by 1100 meters, most probably as a result
of the diffusion
of gas molecules into the ice lattice, and this, together with the formation below 1200 meters
of an oriented crystal fabric (characterized by a strong vertical orientation
of crystallographic c axes) is believed to be responsible for the greatly increased
ductility of the deeper cores.
Reinforced concrete is used for its structural properties
of strength, rigidity,
ductility and continuity, to resist lateral forces such as earthquakes and wind.