author: christopher jenkins

... direction , +1 in the y - direction , and +2/3 in the z - direction , or 1/2 B 2/3 A X 1/2 Z 1/2 D FIGURE E4-4 Unit cube with various directions shown . C 2/3 y ◅ ------ 3/4 n = −i + j + 2 / 3 k 122 TORSION STRUCTURES Crystal Directions.

... Ashby chart and find that, of the above materials, cast iron, steel, and alumina fare the best (as they fall on roughly the same guideline and are closest to the upper left-hand corner). However, looking at the Ashby chart it should be ...