Browsing Proceedings by Author "Raharjo, Wijang Wisnu"
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The Effect of Fiber Orientation on the Dynamic Characteristic of the Carbon – Glass Fiber Hybrid Composite
Susilo, Didik Djoko; Hafid, Nur; Raharjo, Wijang Wisnu (Universitas Muhammadiyah Surakarta, 2014-12-04)This resarch is to study the effect of the fiber orientation on the dynamic characteristic of the carbon-glass fiber hybrid composite. The dynamic charactristics studied was damping ratio and natural frequency. The ... -
Investigation Of Coating Materials On Recycled Polypropilene and Rubber Composite Under * Weather Exposure
Sukanto, Heru; Budiana, Eko Prasetya; Raharjo, Wijang Wisnu (Universitas Muhammadiyah Surakarta, 2014-12-04)The recycled polypropylene (rPP) –rubber composite tends to depict the mechanical strength decreasing and physically degradation as well when installed as an outdoor application. The research investigated several ... -
Karakteristik Proses Pirolisis Tiga Jenis Limbah Pertanian
Raharjo, Wijang Wisnu; Himawanto, Dwi Aries (Universitas Muhammadiyah Surakarta, 2013-12-05)Abstrak Limbah pertanian dan industri berbasis pertanian banyak yang belum terolah dengan baik, padahal apabila limbah tersebut ditangani dengan tepat akan menjadi sumber energi yang berlimpah maupun menjadi material ...