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1 ASTM E28.04 Workshop Byron Skillings, Ladish Proposed Rates: An Aerospace Perspective.

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Presentation on theme: "1 ASTM E28.04 Workshop Byron Skillings, Ladish Proposed Rates: An Aerospace Perspective."— Presentation transcript:

1 1 ASTM E28.04 Workshop Byron Skillings, Ladish Proposed Rates: An Aerospace Perspective

2 2 Ladish - Common Aerospace Test Rates in/in/min to yield 0.05 in/min to fracture (ASTM E21 & Customer Req) in/in/min to yield 1 minute to fracture in/in/min to yield 0.1 in/in/min to fracture

3 3 Ladish - E8 Proposed Test Rates in/min to Yield Proposed yield rate 5 to 7.5 X faster 0.45 in/min to fracture Proposed to fracture rate X faster than present aerospace rates

4 4 Ladish - Is the change significant? Room temperature Ti testing examples

5 5 Ladish- Yield vs Test Rate Power Law Model

6 6 Ladish- Ultimate Strength vs Test Rate

7 7 Ladish – Yield Strength vs Ultimate Strength

8 8 Ladish – 0.2 Offset Yield Strength vs. Ultimate Strength

9 9 Ladish – Elongation vs Reduction of Area

10 10 Ladish – Test Summary

11 11 Ladish - Potential Industry Impact Design Curves Data Statistical Approvals Specifications


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