作者：
SILVA, EAThe authorwas recently awarded a Ph.D. Degree in the Ocean Engineering Program
at the University of California Berkeley. He graduated from Stanford University with a Bachelor of Science Degree in Metallurgical Engineering in 1960 followed by a Master of Science Degree in Materials Science tn 1961. Dr. Silva has experience as a Materials Engineer in the aerospace industry and is an Engineering Duty Officer in the U.S. Naval Reserve. He is a member of the ASNE A1ME ASM AWS MTS SNAME and USNI.
T his paper anticipates a future need for welding processes in depths to 5000 meters. Arc cutting and joining processes are found to be the most suitable for depths in excess of 1500 meters because they avoid the prob...
T his paper anticipates a future need for welding processes in depths to 5000 meters. Arc cutting and joining processes are found to be the most suitable for depths in excess of 1500 meters because they avoid the problem of gas liquification. The underwater arcs are enhanced by constricting effects produced by the deep ocean environment, and no problem with heat generation is expected. Argon or nitrogen shielded arcs are advised for deep sea work. Their use can lead to reduced power requirements, control of penetration and metal transfer rate, and a reduction in porosity and slag inclusions. The cumbersome diving dress required to offset the cold and the problem of visibility in bottom waters is expected to produce the most serious operating difficulties for the welders. Cryogenic gas transport and experimentation in the laboratory and at sea are recommended.
作者：
HARRISON, CHARLES W.COMMANDER CHARLES W. HARRISON
JR. USN attended the U. S. Naval Academy Preparatory School the U. S. Coast Guard Academy and the University of Virginia where in 1939 he received the S.B. degree in Engineering and in 1940 the degree of Electrical Engineer. In 1942 he was graduated with the S.M. degree in Communication Engineering from Cruft Laboratory Harvard University and that summer completed the Navy Course in Radar Engineering at Massachusetts Institute of Technology. Subsequently for several years he was engaged in lecturing to officers of the Armed Forces assigned to the radar schools at Harvard and Princeton Universities. He has had four tours of duty in the Electronics Design and Development Division Bureau of Ships two at the U.S. Naval Research Laboratoryone at the Signal Corps Engineering Laboratories (Evans Signal Laboratory)and one at the Philadelphia Naval Shipyard. His experience includes amateur
naval and broadcasting operation. In 1951 Commander Harrison was selected for training in Advanced Science at Harvard University under sponsorship of the Office of Naval Research. This program led to the M. Eng. degree in 1952 and Ph.D. degree in Applied Physics in 1954. Commander Harrison is presently Electronics Officer on the Staff of Commander Operational Development Force. He is a member of several societies and associations including the Harvard Chapter of the Society of Sigma Xi.
Summary: The measurement of the magnetic field associated with a linearly or elliptically polarized electric field, using a small loop, or magnetic probe, is discussed. It is shown that in general a loop will not meas...
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