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Comparison of different routes for production of CP- Ti powder compacts used as preform for forging of Con-rod

conference contribution
posted on 2023-01-27, 04:07 authored by Rimma Lapovok, M Qiarr, C Bottles
To explore possible options for an economical route for the forging of a small con rod from CP Ti powder, two different methods for producing a forging preform were studied, namely direct compaction followed by sintering, and compaction via Equal Channel Angular Pressing (ECAP) with back pressure without sintering. It is shown that the use of ECAP with applied back pressure for compaction of powder leads to significantly reduced consolidation temperatures compared to those used in conventional practice. The ECAP compacts achieved 99. 9% theoretical density and strength of 180 MPa after processing at 30°C . The twofold gain in enhanced low temperature compaction and simultaneous grain refinement of CP Ti justifies the utilisation of ECAP with back pressure as a unique preform fabrication method for the production of small con rods by forging.

History

Volume

2

Pagination

1592 - 1596

ISBN-13

9787030338952

Publication classification

E1.1 Full written paper - refereed

Title of proceedings

Ti 2011 - Proceedings of the 12th World Conference on Titanium

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