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Diamond-bit performance in quartzite
Investigations of stresses in a drill bit and rock under static loads
The stress field within a core stub in a borehole
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Published Year
1950-1959 (1)
1960-1969 (2)
Subject
Bits--Drilling and boring (1)
Boring (1)
Core drilling (1)
Rock pressure (1)
Rock-drills (1)
Rocks--Analysis (1)
Author
Rambosek, Albert J. (3) *
Long, Albert E. (1)
Williams, James B. (1)