Mechanical Engineer''''''''s Handbook Press Series in Engineering Series Editor J David potx

... Press Series in Engineering Series Editor J. David Irwin Auburn University This a series that will include handbooks, textbooks, and professional reference books on cutting-edge areas of engineering. ... cosines of the angles formed by the vector i i i i i i i i i j i i j i j i j i j i j i j i j i j i j i j Figure 1.6 1. Vector Algebra 7 Statics and the...

Ngày tải lên: 27/06/2014, 17:20

... Vectors DEFINITION The vector (cross) product of a vector a and a vector b is the vector (Fig. 1.9) a  b jajjbjsinaY bn i j i j i j i i j j i j j i i j i j i i i i i j i i i i j i i j 1. Vector ... Press Series in Engineering Series Editor J. David Irwin Auburn University This a series that will include handbooks, textbooks, and professional reference...

Ngày tải lên: 21/02/2014, 22:20

... 19 Statics Hence, jMjjr  vjjrjjvjsinrY vd jvjX m The direction of the torque of a simple couple can be determined by inspection: M is perpendicular to the plane determined by the lines of action of ... product of a vector v and a scalar s, s v or vs, is a vector having the following characteristics: 1. Magnitude. js vjjvsjjsjjvjY where jsj denotes the absolute value (or magnitude, or...

Ngày tải lên: 22/03/2014, 12:20

... vector u having the same direction as v is obtained by forming the quotient of v and jvj: u  v jvj X 4 Statics Statics Academic Press Series in Engineering Series Editor J. David Irwin Auburn ... Vectors DEFINITION The vector (cross) product of a vector a and a vector b is the vector (Fig. 1.9) a  b jajjbjsinaY bn i j i j i j i i j j i j j i i j i j i i i i i...

Ngày tải lên: 29/06/2014, 06:20

... structure and bonding of the atoms and ions in the material. An understanding of the origin of the differences in these properties is of great engineering importance. In single crystals, ... Nix, and A. S. Tetelman, The Principles of Engineering Materials, Prentice- Hall, Englewood Cliffs, NJ, 1973. Flinn, R. A., and P. K. Trojan, Engineering Materia...

Ngày tải lên: 02/07/2014, 16:20

... as-rolled grain size, depending principally on the finishing temperature in the rolling opera- tion, is subject to wide variations. The coarse grain size resulting from a high finishing ... Trends in Heat-Treated Products Property Coarse-grain Austenite Fine-grain Austenite Quenched and Tempered Products Hardenability Increasing Decreasing Toughness Decreasing Increas...

Ngày tải lên: 02/07/2014, 16:20

... formation of copper oxide. It is utilized in deep-drawing, spinning, and edge-bending operations, and in welding, brazing, and other hot-working operations where embrittlement must ... listed in Table 4.3. These properties, of course, can only be attained when care is taken toward proper melting, gating, feeding, and venting of casting molds. The CDA Standard...

Ngày tải lên: 02/07/2014, 16:20

... Kent's Mechanical Engineer's Handbook, 1950 edition, pp. 4-50 to 4-60. 4. Huntington Alloys, Inc., Alloy Handbook, and Bulletins. 5. Inco internal communication by AJ. Sedriks. 6. ... a 5-min air cooling. As indicated in Fig. 5.7, lower dew points are required as the temperature is lowered. To minimize oxidation during cooling, the chromium-cont...

Ngày tải lên: 02/07/2014, 16:20

... contaminants. The oxides can be removed by grinding, brushing with a stainless-steel wire brush, or pickling in a room-temperature solution containing 30% nitric acid and 3% hydrofluoric acid, ... with a dissimilar metal owing to the fact that it forms brittle intermetallic compounds with most other metals. Me- chanical joining is recommended when joining titan...

Ngày tải lên: 02/07/2014, 16:20