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Mekanika Teknik III (Strength of Materials)

Mekanika Teknik III (Strength of Materials). Deformasi , Pergeseran dan Tegangan. BERDEFORMASI DIMENSI BERUBAH BENTUK TAMPANG BERUBAH. BEBAN. BADAN MATERIAL. dx + (dx). Pias setelah deformasi. dx. Karena adanya gaya. Pias awal. . dy. .

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Mekanika Teknik III (Strength of Materials)

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  1. MekanikaTeknik III(Strength of Materials) Deformasi, PergeserandanTegangan

  2. BERDEFORMASI • DIMENSI BERUBAH • BENTUK TAMPANG BERUBAH BEBAN BADAN MATERIAL dx + (dx) Piassetelahdeformasi dx Karenaadanyagaya Piasawal  dy 

  3. Perubahanpanjangsisisegmenpadasebuahluasanpermukaan : deformasi linier. • Bilasisisegmenbertambahpanjang deformasi linier positif • Perubahansudut initial antarakeduasisisegmendinamakandeformasi angular ataudeformasigeser

  4. Baikdeformasi linier maupundeformasi angular bisahilangdanbisajugatidaksaatbeban yang bekerjadihilangkan • Kejadiantersebutdipengaruhiolehsifatbahandanderajatpembebanannya • Deformasi yang hilangsaatbebandihilangkan sifatelastik • Deformasi yang tidakhilangsaatbebandihilangkan  plastis

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