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Pure PEEK and CFR-PEEK samples for testing mechanical properties: (a,e) tensile samples of PEEK and CFR-PEEK; (b,f) bending samples of PEEK and CFR-PEEK; (c,g) compressive samples (compressive strength) of PEEK and CFR-PEEK; (d,h) compressive samples (compressive modulus) of PEEK and CFR-PEEK; (i) tensile test; (j) bending test; (k,l) compressive tests of strength and modulus.
