✦ LIBER ✦

Investigating the feasibility of DLC-coated twist drills in deep-hole drilling

✍ Scribed by Robert K. Heinemann; Sri Hinduja

Publisher: Springer
Year: 2009
Tongue: English
Weight: 378 KB
Volume: 44
Category: Article
ISSN: 0268-3768
DOI: 10.1007/s00170-008-1912-8

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

System for drilling deep holes in the tu

System for drilling deep holes in the tubular grills of titanium heat exchangers

✍ V. P. Shashkov 📂 Article 📅 1997 🏛 Springer 🌐 English ⚖ 126 KB

The fading of fission tracks in the geol

The fading of fission tracks in the geologic environment— Data from deep drill holes

✍ C.W. Naeser 📂 Article 📅 1981 🏛 Elsevier Science ⚖ 132 KB

Geophysical investigations in deep horiz

Geophysical investigations in deep horizontal holes drilled ahead of tunnelling : Carroll, R D; Cunningham, M J Int J Rock Mech Min Sci, V17, N2, April 1980, P89–107

📂 Article 📅 1980 🏛 Elsevier Science 🌐 English ⚖ 133 KB

Investigation of the rupture of a plexig

Investigation of the rupture of a plexiglas plate by means of an optical method involving high-speed filming of the shadows originating around holes drilled in the plate

✍ Peter Manogg 📂 Article 📅 1966 🏛 Springer Netherlands 🌐 English ⚖ 662 KB

The loading and unloading of a Plexiglas plate by a running fracture is investigated by means of a series of high-frequency cinematographic pictures of the shadows originating around drilled holes. Near the fracture tip, the stress distribution differs only slightly from that around a corresponding

Temperatures, fractures and heat flow de

Temperatures, fractures and heat flow density in the pilot-hole of the continental deep drilling project (oberpfalz, Germany) : Jobmann, M; Schulz, R Sci DrillingV3, N1/3, 1992, P83–88

📂 Article 📅 1992 🏛 Elsevier Science 🌐 English ⚖ 118 KB