Zobrazeno 1 - 10
of 19
pro vyhledávání: '"J.W Cohron"'
Publikováno v:
Science and Technology of Welding and Joining. 6:126-132
An important input property in the development of process models for resistance spot welding is electrical contact resistance. A model for the pressure and temperature dependence of electrical contact resistance was developed from established concept
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::860b61fbdf83a3b562661e9627dce4f9
https://doi.org/10.1179/136217101101538631
https://doi.org/10.1179/136217101101538631
Publikováno v:
Science and Technology of Welding and Joining. 5:297-303
The high strain rate tensile ductilities of gas tungsten arc welds in an Ir–0.3 wt-%W alloy containing 60 wt-ppm Th (designated DOP–26) have been determined at test temperatures of 900–1200°C. Within this temperature range, the welded specimen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::842dfdff0a2a515ab4bde2b64d6bef90
https://doi.org/10.1179/136217100101538344
https://doi.org/10.1179/136217100101538344
Publikováno v:
Scripta Materialia. 42:9-15
The current study was undertaken to determine what effects, if any, larger amounts of certain impurities (Al,Cr,Fe,Ni, and Si) might have on the physical metallurgy and mechanical properties of the DOP-26 iridium alloy. This report summarizes the eff
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1896224a05b5d32fd98cca0598480f5a
https://doi.org/10.1016/s1359-6462(99)00339-5
https://doi.org/10.1016/s1359-6462(99)00339-5
Publikováno v:
Acta Materialia. 46:6245-6256
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 occurs around the composition where the fracture mode changes from transgranular to in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::68ef258db12f3041fa0680f207b5bc49
https://doi.org/10.1016/s1359-6454(98)00254-7
https://doi.org/10.1016/s1359-6454(98)00254-7
Publikováno v:
Scripta Materialia. 38:847-850
This is a reply to Schulson`s comment on the authors` recently published paper. Schulson makes three points in his paper: (a) grain boundaries in Ni-rich Ni{sub 3}Al are enriched in Ni, whereas those in stoichiometric Ni{sub 3}Al are not; (b) boron i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::948688d09c0d7e39a48907f0b57d6031
https://doi.org/10.1016/s1359-6462(97)00532-0
https://doi.org/10.1016/s1359-6462(97)00532-0
Publikováno v:
Acta Materialia. 45:2801-2811
Ni 3 Al alloys, of nominal composition Ni-24 at.% Al and three different B concentrations (50, 100 and 500 wppm), were tensile tested at room temperature in high-purity H 2 gas at pressures ranging from ∼6 × 10 −8 to 7 × 10 3 Pa. The highest el
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c518850f6664d4bd1636836e3cb76584
https://doi.org/10.1016/s1359-6454(96)00383-7
https://doi.org/10.1016/s1359-6454(96)00383-7
Publikováno v:
Intermetallics. 4:497-502
The effect of low-pressure (≤1.3 × 10 3 Pa) hydrogen gas on the ductility and fracture behavior of polycrystalline Ni 3 Al (23.4 at% Al) was investigated. Room-temperature tensile ductilities remained high over the entire pressure range tested: fr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::26e92d0d95f66679c818c0caf84d564c
https://doi.org/10.1016/0966-9795(96)00039-8
https://doi.org/10.1016/0966-9795(96)00039-8
Publikováno v:
Scripta Materialia. 35:181-185
In an alloy of Ir-0.3 wt% W, the high temperature tensile impact ductility has been shown to be improved significantly by the addition of trace levels (30--100 wt ppm) of thorium. The beneficial effect of thorium stems from two factors: Thorium segre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3179ff2c00043b3a5113e813c432a78d
https://doi.org/10.1016/1359-6462(96)00119-4
https://doi.org/10.1016/1359-6462(96)00119-4
This report summarizes results of studies conducted to date under the Iridium Alloy Characterization and Development subtask of the Radioisotope Power System Materials Production and Technology Program to characterize the properties of the new-proces
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d05cd2689879779673c25462419688d7
https://doi.org/10.2172/296738
https://doi.org/10.2172/296738
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