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Material scientists from NUST MISIS and the University of Western Australia have presented an innovative bioresorbable alloy based on magnesium, gallium and zinc. The material can be used for the manufacture of temporary implants in the treatment of fractures and the restoration of surgically removed areas of the bone, as well as in the treatment of osteoporosis, multiple myeloma, Paget's disease. In modern bone implantology and cardiovascular surgery, biodegradable implants, which gradually dissolve and are replaced by body tissues are increasingly being used. This approach helps minimize the inflammation of the surrounding tissue caused by the implant and eliminates the need for an implant removal operation. The benefits of using such implants are especially noticeable in pediat...
Published: 2020 - 07 - 22
Views:222
In surgical components, implantables and other medical devices, springs play a variety of critical roles. Selecting the right spring material can often yield notable improvements in performance, lifespan and cost.In many medical applications, titanium alloy springs provide critical benefits compared to stainless steels or other materials. A careful cost-benefit analysis can help to ensure the best material is selected.Corrosion resistance and material stabilityTitanium provides remarkable corrosion resistance. This, along with its non-magnetic properties, makes it ideal for many medical and de...
Published: 2019 - 11 - 29
Views:237
India's October finished steel exports surged by 60pc to 950,000t from a year ago, according to initial estimates by the Indian steel ministry.Year-to-date exports have risen by 27.7pc to 4.88mn t for April-October from the same period in 2018. India's fiscal year runs from 1 April.A surge in hot-rolled coil (HRC) exports is driving much of the growth.Indian mills are competing aggressively with Asian counterparts, especially into Vietnam, which has emerged as the biggest destination for Indian HRC in recent months.That trend is borne out in breakout data current through September. Its...
Published: 2019 - 11 - 11
Views:234
Scientists from the National University of Science and Technology MISiS have created new aluminium alloys that are cheap and effective to use in a wide variety of modern vehicles.Aluminium and its alloys rank second after iron alloys in terms of scalability. Aluminium is easily processed by forging, stamping and rolling; it is also characterised by low density, and aluminium products are lightweight.Aluminium alloys have high corrosion resistance, high thermal and electrical conductivity (they transmit heat and electric current with minimal losses), strength and ductility, as well as good proc...
Published: 2019 - 11 - 07
Views:132
A team of the TSU Laboratory of High-Strength Crystal Physics is creating highly entropic alloys that differ in the unusual structure of the crystal lattice. They provide new materials with mechanical characteristics that make them suitable for use in the extreme conditions of space and the Arctic – at high and low temperatures, under load, and when exposed to radiation.The object of the physicists’ study is the high-entropy alloys FeNiCoCr (+ Al, TiAl and Mo). Compounds with this chemical composition are used only in the polycrystalline state. The laboratory staff, led by its head Yury Chumly...
Published: 2019 - 10 - 30
Views:223
To reduce the manufacturing costs of making tungsten carbide tools, a team of researchers at the U.S. Army Research Laboratory has figured out how to 3D print it into the exact size and shape they want, with little to no post-machining required, according to a U.S. patent application first made public on Thursday.Tungsten carbide is hard, so hard that it’s expensive to make it into useful tools and shapes. The current manufacturing process takes five steps, the last being grinding for quality control.Tungsten carbide is nearly twice as hard and twice as dense as steel, and when you shoot it in...
Published: 2019 - 10 - 25
Views:11
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