Ductile iron
Influência do alumínio nas propriedades mecânicas do ADI (Austempered Ductile Iron)
... (Austempered Ductile Iron), a cast iron obtained after the proper heat treatment of regular sheroidal graphite iron, has been intensely studied in the last ...
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Design and control of chemical compositions for high-performance austempered ductile iron
... In order to produce high performance ADI, beside proper chemical compositions, suitable heat treatment process parameters are also required. For high performance ADI, the chemical compositions are the basis for sucessful ...
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Design of the austempering heat treatment of a ductile iron differential case aided by computer simulation
... The aim of the present work is to design the austempering heat treatment of a differential case, which was originally made of an as-cast ductile iron. In order to do that, the general-purpose software ...
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Synthesis of nanoparticeles in ductile iron with small additions of vanadium and niobium and its mechanical properties
... It has been shown that the heat treatment of 1095 o C/640 o C type of ferritic ductile iron with small addition of 0.08% vanadium permits to obtain of the rounded VC nanoparticles with an average size of 50 ...
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Grey Relational Analysis of Thin Wall Ductile Iron Casting
... wall ductile iron is essential to permit designers for energy consuming equipment to choose the most appropriate material based on material properties, and not solely on weight or ...work, ductile ...
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Analysis of quality and cost of FeSiMg treatment master alloy vs. cored wire in production of ductile cast iron
... from ductile iron castings made by the technique of FeSiMg5% master alloy and by the Cored Wire Injection Process have proved that the latter technique produces of the ductile iron grade ...
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Efeito do tamanho do grão austenítico na cinética e na morfologia do produto da reação...
... The effect of austenite grain size on the kinetics and the morphology of the bainitic reaction in an austempered ductile iron (ADI) has been investigated, Three austenite grain sizes we[r] ...
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Rev. Esc. Minas vol.66 número1
... Before the widening use of exother- mic sleeves, ish-eye defects were only occasionally seen in green-sand foundries when some excessive amount of clay had been present in sand. With the growing usage of exothermic riser ...
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Iron accumulates in Huntington's disease neurons: protection by deferoxamine.
... system iron excess results in compensatory decreased levels of iron uptake proteins and increased export ...Conversely, iron deficiency results in compensatory up-regulation of cell iron ...
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Baroreflex function in conscious rats submitted to iron overload
... that iron accumulated in tissue, rather than in serum, may compromise cardiovascular ...serum iron overload group (SIO, N = 12), 20 mg elemental iron was injected ip daily for 7 ...tissue iron ...
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Decreased serum hepcidin concentration correlates with brain iron deposition in patients with HBV-related cirrhosis.
... liver iron deposition in ...body iron status. Hepcidn regulates body iron homeostasis, by controlling cellular efflux of iron from enterocytes, hepatocytes, and ...brain iron content ...
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The Iron Sulfides Crystal Growth from the Halide Melts
... considered in this paper is that these transformations occur with the participation of the liquid phase (molten salts). The low diffusion rates in the liquid (compared to the velocities in the vapor) lead to low rates of ...
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Iron status predicts treatment failure and mortality in tuberculosis patients: a prospective cohort study from Dar es Salaam, Tanzania.
... of iron overload and deficiency, plasma ferritin is relatively easy and inexpensive to ...recommending iron supplementation for the treatment of anemia in regions with a high burden of TB may also consider ...
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Rev. Bras. Hematol. Hemoter. vol.33 número6
... IV iron sucrose is a safe and effective option in the treatment of adult patients with IDA who do not tolerate or lack satisfactory response to oral iron ...IV iron sucrose is well tolerated and has ...
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Iron source preference and regulation of iron uptake in Cryptococcus neoformans.
... host iron sources other than transferrin ...similar iron sources transported by CFT1 via the reductive iron uptake pathway may be primary iron sources for ...other iron sources in ...
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Diagnóstico diferencial de anemia ferropénica em gémeas : descrição de dois casos de IRIDA (Iron Refractory Iron Deficiency Anemia) e de uma nova mutação no gene TMPRSS6
... Refractory Iron Deficiency Anemia) é uma anemia hereditária, com expressão autossómica recessiva, do tipo ferropénico, cujo padrão microcítico e hipocrómico se associa a uma baixa saturação da transferrina e ...
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IRON OXIDES IN SOILS
... Soil weathering causes dissolved phosphate from primary minerals to (a) precipitate with some cations and lead, for example, to the neo-formation of calcium phosphate in alkaline soils (Beck and Sánchez, 1994); (b) be ...
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Iron toxicity in soybeans.
... Por outro lado, a análise química mostrou que as folhas do 'Bossier' com sintomas continham 702 ppm de Fe, teor considerado tóxico segundo a tabela de Jones, citado por OHLROGGE &a[r] ...
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