Search Results - "Santella, M.L."

Correlation of precipitate stability to increased creep resistance of Cr–Mo steel welds by Yu, X., Babu, S.S., Terasaki, H., Komizo, Y., Yamamoto, Y., Santella, M.L.

“…An order of magnitude decrease (from 16.0×10−4 to 4.1×10−4% h−1) in steady-state creep rate was observed in the fine-grained heat-affected zone (HAZ) of a…”
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Effects of friction stir processing on mechanical properties of the cast aluminum alloys A319 and A356 by Santella, M.L., Engstrom, T., Storjohann, D., Pan, T.-Y.

“…Surfaces of A319 and A356 castings were treated by friction stir processing to reduce porosity and to create more uniform distributions of second-phase…”
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Structure–properties relations in spot friction welded (also known as friction stir spot welded) 6111 aluminum by Mitlin, D., Radmilovic, V., Pan, T., Chen, J., Feng, Z., Santella, M.L.

“…This work details some aspects of the microstructure–properties–processing relations in spot friction welded (also known as friction stir spot welded) 6111 Al…”
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Friction stir spot welding of hot-stamped boron steel by Hovanski, Y., Santella, M.L., Grant, G.J.

“…Hot-stamped boron steel was successfully joined via friction stir spot welding using polycrystalline cubic boron nitride tooling. The resulting microstructure,…”
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Effect of Alloying Additions on Phase Equilibria and Creep Resistance of Alumina-Forming Austenitic Stainless Steels by Yamamoto, Y., Santella, M.L., Brady, M.P., Bei, H., Maziasz, P.J.

“…The high-temperature creep properties of a series of alumina-forming austenitic (AFA) stainless steels based on Fe-20Ni-(12-14)Cr-(2.5-4)Al-(0.2-3.3)Nb-0.1C…”
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Advances in processing of Ni3Al-based intermetallics and applications by Sikka, V.K., Deevi, S.C., Viswanathan, S., Swindeman, R.W., Santella, M.L.

“…The intermetallic-based alloys for structural applications have been an active field of research around the world for the last 20 years. Several major…”
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Small-angle neutron scattering study of the wet and dry high-temperature oxidation of alumina- and chromia-forming stainless steels by Rother, G., Keiser, J.R., Brady, M.P., Unocic, K.A., Anovitz, L.M., Littrell, K.C., Peascoe-Meisner, R.A., Santella, M.L., Wesolowski, D.J., Cole, D.R.

“…► SANS data was obtained for oxidized alumina- and chromia-forming stainless steels. ► SANS scattering increased with dry air oxidation time for T347. ►…”
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Initial characterization of V–4Cr–4Ti and MHD coatings exposed to flowing Li by Pint, B.A., Pawel, S.J., Howell, M., Moser, J.L., Garner, G.W., Santella, M.L., Tortorelli, P.F., Wiffen, F.W., DiStefano, J.R.

“…A mono-metallic V–4Cr–4Ti thermal convection loop was operated in vacuum (∼10 −5 Pa) at a maximum Li temperature of 700 °C for 2355 h and Li flow rate of 2–3…”
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Al enrichment of carbon steels through weld overlay process for improved oxidation resistance by Bhambri, Y., Sikka, V.K., Walker, L.R, Santella, M.L., Muralidharan, G., Hales, J.W.

“…A simple method is described for enriching the surface aluminum concentration of carbon steel. The process of weld overlaying steel substrate with pure…”
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Overview of Strategies for High-Temperature Creep and Oxidation Resistance of Alumina-Forming Austenitic Stainless Steels by Yamamoto, Y., Brady, M.P., Santella, M.L., Bei, H., Maziasz, P.J., Pint, B.A.

“…A family of creep-resistant, alumina-forming austenitic (AFA) stainless steel alloys is under development for structural use in fossil energy conversion and…”
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Effects of minor alloy additions and oxidation temperature on protective alumina scale formation in creep-resistant austenitic stainless steels by Brady, M.P., Yamamoto, Y., Santella, M.L., Pint, B.A.

“…Niobium was found to be beneficial for alumina scale formation in newly developed creep-resistant austenitic stainless steels. Additions of both Ti and V…”
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Aging effects on the mechanical properties of alumina-forming austenitic stainless steels by Bei, H., Yamamoto, Y., Brady, M.P., Santella, M.L.

“…Isothermal aging and tensile evaluation were conducted for recently developed alumina-forming austenitic stainless steels (AFAs). Microstructural observation…”
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Evaluation of Mn substitution for Ni in alumina-forming austenitic stainless steels by Yamamoto, Y., Santella, M.L., Liu, C.T., Evans, N.D., Maziasz, P.J., Brady, M.P.

“…There has been increasing interest in the substitution of low-cost Mn for Ni in austenitic stainless steels due to the rising price of Ni. This paper…”
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Thermal aging effects on the mechanical properties of as-cast Ni 3Al-based alloy by Lee, Dongyun, Santella, M.L.

“…A series of tensile tests were conducted at room and elevated temperatures on specimens of the alloy known as IC221M (Ni–8.2Al–7.6Cr–1.5Mo–2.1Zr, wt.%)…”
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High temperature oxidation of Ni 3Al alloy containing Cr, Zr, Mo, and B by Lee, D.B., Santella, M.L.

“…The oxidation behavior of a 74.028 Ni–16.004 Al–7.844 Cr–1.263 Zr–0.836 Mo–0.025 B at.% alloy, known as IC221M, has been studied at 900, 1000 and 1100 °C in…”
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Issues in replacing Cr–Mo steels and stainless steels with 9Cr–1Mo–V steel by Swindeman, R.W, Santella, M.L, Maziasz, P.J, Roberts, B.W, Coleman, K

“…Issues are discussed that affect the development, installation, and operation of 9Cr–1Mo–V steel components in power boilers. Typical issues include chemistry…”
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Thermal aging effects on the mechanical properties of as-cast Ni3Al-based alloy by LEE, Dongyun, SANTELLA, M. L

“…A series of tensile tests were conducted at room and elevated temperatures on specimens of the alloy known as IC221M (Ni-8.2A1-7.6Cr-l.5Mo-2. lZr, wt.%)…”
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High temperature oxidation of Ni3Al alloy containing Cr, Zr, Mo, and B by LEE, D. B, SANTELLA, M. L

“…The oxidation behavior of a 74.028 Ni-16.004 Al-7.844 Cr-1.263 Zr-0.836 Mo-0.025 B at.% alloy, known as IC221M, has been studied at 900, 1000 and 1100DGC in…”
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Thermal aging effects on the microstructure and short-term oxidation behavior of a cast Ni3Al alloy by Lee, Dongyun, Santella, M.L., Anderson, I.M., Pharr, G.M.

“…Specimens of the castable nickel aluminide alloy IC221M were annealed in still air at 900 DGC to examine the effects of oxidation and thermal aging on its…”
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Thermal aging effects on the microstructure and short-term oxidation behavior of a cast Ni 3Al alloy by Lee, Dongyun, Santella, M.L., Anderson, I.M., Pharr, G.M.

“…Specimens of the castable nickel aluminide alloy IC221M were annealed in still air at 900 °C to examine the effects of oxidation and thermal aging on its…”
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