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[Data] KIc Test of Resin (Part 3)

Examination from the perspective of numerical analysis! The potential impact of the characteristics of the stress-strain diagram (s-s diagram) of resin.

This document introduces the influence of the s-s diagram on the pass/fail judgment of KIc. In ASTM D5045, it begins with a "preface" stating that the provisional fracture toughness value KQ can be regarded as KIc, and provides detailed descriptions of "the characteristics of the resin's s-s diagram" and "how to determine the provisional fracture toughness value KQ." Additionally, "references" are also provided, so please take a moment to read through them. 【Contents (partial)】 ■ Preface ■ Characteristics of the resin's s-s diagram ■ How to determine the provisional fracture toughness value KQ ■ Numerical analysis regarding KQ,pl ■ The influence of E/σ0.2 and n on the nonlinear behavior of the load-opening displacement diagram *For more details, please refer to the PDF document or feel free to contact us.

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[Data] KIc Test of Resin (Part 2)

Discussion on the issues of KIc testing for resins! Organized based on published literature and compared with metals.

This document introduces the organization and discussion of the factors influencing the KIc of resins. It provides a detailed explanation of "factors affecting KQ (KIc)" and "the characteristics of the s-s curve of resins and their impact on KQ." In the "Conclusion," it is stated that the size of the plastic zone formed near the crack tip is sufficiently small compared to the size of the test specimen, and additional "References" are also included. We encourage you to read it. 【Contents】 ■ Preface ■ Published literature on the KIc testing of resins ■ Factors affecting KQ (KIc) ■ Characteristics of the s-s curve of resins and their impact on KQ ■ Conclusion ■ References *For more details, please refer to the PDF document or feel free to contact us.

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