Fig. 1 Assembled jig and specimen
Fig. 3 Initially designed WC-Co alloy tensile specimen
Fig. 4 Tensile test, conducted with the initially designed jig and specimen
Fig. 12 Comparison of elastic range and non-linear deforming behavior depending on wt. Co contents (a) Co 20% (b) Co 14% (c) Co 6%
Fig. 2 (a) Assembly drawing of the initially designed jig for tensile test (b) Front and right side views (c) Bottom side view
Fig. 5 (a) Fractured specimen after tensile test with initially designed jig (b) Measured strain values at two different points within gage length
Fig. 6 (a) Asymmetry of initially designed jig (b) Strain distribution of jig (c) Strain distribution of specimen
Fig. 7 (a) Strain distribution of modified jig (b) Strain distribution of specimen under tension
Fig. 8 (a) Initially designed specimen (b) Modified specimen with the head of Ø31 mm
Fig. 9 (a) Modified jig with symmetry (b) Pin pressing the specimen for fatigue test
Fig. 10 (a) Fractured specimen after tensile test with modified jig and specimen (b) Measured strain values before and after modification
Fig. 11 (a) Stress-strain curve of WC-Co alloy (wt. Co 20%) based on tensile test result (b) Comparison to the test results in the literature (wt. Co 6% & 14%)
Table. 1 Condition of finite element analysis
Table 2. Comparison of elastic modulus and tensile strengths depending on Co content
References
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