Search Results - "Zee, R.H"

Room-temperature mechanical behavior of FeAl: effects of stoichiometry, environment, and boron addition by Cohron, J.W, Lin, Y, Zee, R.H, George, E.P

“…The intrinsic ductility of FeAl (in ultrahigh vacuum) decreases with increasing Al content, from around 16% in Fe–37Al to zero in Fe–48Al. The sharpest decline…”
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Segregation of lutetium and yttrium to grain boundaries in iridium alloys by Gubbi, A.N., George, E.P., Ohriner, E.K., Zee, R.H.

“…The equilibrium segregation of lutetium and yttrium to grain boundaries in iridium alloys containing 0.3 wt% tungsten was studied. The segregation level of Lu…”
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Effect of low-pressure hydrogen on the room-temperature tensile ductility and fracture behavior of Ni3Al by Cohron, J.W., George, E.P., Heatherly, L., Liu, C.T., Zee, R.H.

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Infrared sensing techniques for penetration depth control of the submerged arc welding process by Wikle, H.C, Kottilingam, S, Zee, R.H, Chin, B.A

“…This paper presents an investigation into the development of a rugged, low cost, point infrared sensor to monitor and control the welding process in harsh…”
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Yielding and flow behavior of Mo5Si3 single crystals by YOSHIMI, K, YOO, M. H, WERESZCZAK, A. A, BOROWICZ, S. M, GEORGE, E. P, ZEE, R. H

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Processing of single crystals for high temperature applications by Zee, R.H, Xiao, Z, Chin, B.A, Liu, J

“…Refractory metals and intermetallic alloys are important in high temperature engineering systems, where the deformation must be maintained at a low level. This…”
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Energy absorption processes in fibrous composites by Zee, Ralph H., Hsieh, Chung Y.

“…The objective of this investigation is to determine the contribution of fibers in polymer matrix composites during impact. Experimental measurements were made…”
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Yielding and flow behavior of Mo 5Si 3 single crystals by Yoshimi, K, Yoo, M.H, Wereszczak, A.A, Borowicz, S.M, George, E.P, Zee, R.H

“…Deformation behavior of Mo 5Si 3 was studied using single crystals under compression. It was found that yielding and flow behavior were strongly dependent on…”
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Effects of deviations from stoichiometry on the strength anomaly and fracture behavior of B-doped FeAl by Carleton, R., George, E.P., Zee, R.H.

“…Tensile tests were conducted at temperatures ranging from 145–1123 K on four different FeAl alloys, containing 40, 43, 45, and 48 at.% Al, each doped with 0.12…”
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A sensing system for weld process control by Wikle III, H.C., Zee, R.H., Chin, B.A.

“…The development of a point infrared sensor was undertaken in an effort to reduce the size and cost of an infrared sensing system for welding process monitoring…”
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Reply to “A Comment on Hydrogen-Boron Interaction and Its Effect on the Ductility and Fracture of Ni 3Al” by Cohron, J.W, George, E.P, Heatherly, L, Liu, C.T, Zee, R.H

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CuAlPd alloys for sensor and actuator applications by Lin, Z.C., Yu, W., Zee, R.H., Chin, B.A.

“…Currently available shape memory alloys (NiTi, CuAlNi, CuSnAl) lack the high transformation temperatures and long term thermal stability desired in many…”
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Hydrogen-boron interaction and its effect on the ductility and fracture of Ni3Al by COHRON, J. W, GEORGE, E. P, HEATHERLY, L, LIU, C. T, ZEE, R. H

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Effect of low-pressure hydrogen on the room-temperature tensile ductility and fracture behavior of Ni 3Al by Cohron, J.W., George, E.P., Heatherly, L., Liu, C.T., Zee, R.H.

“…The effect of low-pressure (≤1.3 × 10 3 Pa) hydrogen gas on the ductility and fracture behavior of polycrystalline Ni 3Al (23.4 at% Al) was investigated…”
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Processing of insulating thin films and their properties by Yeh, W., Patuwathavithane, C., Zee, R.H.

“…The electrical properties of rf-sputter deposited thin film of ZrO 2 doped with 4 mole% of Y 2O 3 were examined from 296 K to 773 K. The films were deposited…”
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Reply to “A Comment on Hydrogen-Boron Interaction and Its Effect on the Ductility and Fracture of Ni3Al” by Cohron, J.W, George, E.P, Heatherly, L, Liu, C.T, Zee, R.H

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Radiation induced conductivity in alumina by Patuwathavithane, C., Wu, W.Y., Zee, R.H.

“…Studies have shown that the electrical resistivity of insulators such as alumina can be significantly degraded when irradiated with a bias voltage at elevated…”
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Influence of cerium additions on high-temperature-impact ductility and fracture behavior of iridium alloys by GUBBI, A. N, GEORGE, E. P, OHRINER, E. K, ZEE, R. H

“…High-temperature tensile impact testing was carried out on Ir + 0.3 wt pct W alloys doped with cerium and thorium individually, and with cerium and thorium…”
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Development of Ni-Ti based shape memory alloys for actuation and control by Zhang, C., Zee, R.H., Thoma, P.E.

“…This paper compares shape memory alloys (SMA) with other "smart" materials such as piezoelectric, magnetostrictive and electrorheological materials, and…”
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Diffusion and chemical activity of Zr-Sn and Zr-Ti systems by ZEE, R. H, WATTERS, J. F, DAVIDSON, R. D

“…A modified evaporation method was used to determine the diffusion coefficients and the emission rates of Sn and Ti in Zr--Sn and Zr--Ti, respectively, at…”
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