使用J-Integral方法探討PC/ABS聚摻物的破壞韌性

Abstract

History and overview. 1. Introduction. 2. Theory 2-1. Linear Elastic Fracture Mechanics. 2-2. Relationship between G and K. 2-3. Nonlinear Fracture Theory. 2-4. Plane Stress and Plane Strain. 2-5. Plastic Constraint Factor. 2-6. The Thickness Effect. 2-7. The J-Integral. 2-8. The Relationship between J,G and K. 2-9. According in ASTM E813 to determine Jc Value. 2-10. The Hysteresis Energy Method. 2-11. The Crack Opening Displacement (COD). 3. Experimental. 3-1. Material. 3-2. Equipment and Instrument. 3-3. Procedures. 3-3-1.Specimen Preparation. 3-3-2.Test Methods 4. Result and Disscusion. 4-1. Fractographic Studies. 4-2. Yielding, Micrvoiding and Crazing. 4-3. Ductile Brittle Transition Test. 4-4. Jic Test from Various Thickness. 4-5. Jic Test from Various Temperature. 4-6. Jic Test at Various Rate. 4-7. Jic Test of V-notch. 4-8. Jic Determination of COD Test. 5. Conclusion. 6. References.