Asm Handbook: Volume 14A: Metalworking : Bulk Forming (ASM by S. L. Semiatin

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By S. L. Semiatin

Quantity 14A is an critical reference for production, fabrics, and layout engineers. It presents entire assurance and crucial technical details at the process-design relationships which are had to pick out and regulate metalworking operations that produce shapes from forging, extrusion, drawing, and rolling operations. In-depth dialogue of forming apparatus, tactics, fabrics, and complicated modeling ideas make it a considerably new up-to-date ASM instruction manual.

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Deformation processes, for example, come in a wide range of forms that can produce a variety of shapes and geometric details, but the amount of deformation that can be performed in each case may be limited by the excessive loads required or by the onset of fractures in the material. In the strictest sense, product designers do not “design for” any given production process; they design for functionality of the product. If, to meet a product’s functional requirements, the benefits of a specific process are useful or necessary, then the designer must specify the product geometry and materials within the limitations of that process.

Gamma prime) and thus facilitate grain growth in these regions while other portions of the component are cooled (Ref 11). Thermomechanical processes for titanium alloys include processing to produce ultrafine grain billet, “through-transus” forging, and final heat treatment to obtain graded microstructures. Methods to obtain ultrafine billet microstructures in alpha/beta titanium alloys such as Ti-6Al-4V, Ti-6Al-2Sn-4Zr-2Mo, and Ti-17 rely on special forging practices for partially converted ingots containing an initial transformed-beta (colony/ basketweave alpha) microstructure.

Chestnutt, C. Austin, and V. V. Nathal, R. T. L. B. Miracle, R. Wagner, and M. , TMS, 1997, p 263–277 8. K. Sikka, Melting, Casting, and Processing of Nickel and Iron Aluminides, High Temperature Ordered Intermetallic Alloys VI, J. Horton, I. Baker, S. D. S. , Materials Research Society, 1995, p 873–878 9. L. Semiatin, Wrought Processing of Ingot Metallurgy Gamma Titanium Aluminide Alloys, Gamma Titanium Aluminides, Y-W. Kim, R. Wagner, and M. , TMS, 1995, p 509–524 10. D. D. G. D. , TMS, 1992, p 277–286 11.

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