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All Journal Jurnal Abdimas Bina Bangsa Jurnal Polimesin
Susila Candra
Teknik Manufaktur, Universitas Surabaya
Automotive Engineering Control & Systems Engineering Education Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Social Sciences Other

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PENINGKATAN KETERAMPILAN KEWIRAUSAHAAN SISWA SMK DENGAN MENGGUNAKAN PERSONA CANVAS DAN BUSINESS MODEL CANVAS Tanaya, Olivia; Candra, Susila; Susanto, Herman; Soesanti, Arum
Jurnal Abdimas Bina Bangsa Vol. 6 No. 1 (2025): Jurnal Abdimas Bina Bangsa
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/jabb.v6i1.1600

Abstract

Of Indonesia's population, the majority are of productive age, presenting both opportunities and challenges. While this demographic could drive economic progress, limited job vacancies pose a significant issue for young people. Encouraging entrepreneurship is one solution to this problem. A two- day service program was conducted at a private vocational school in Surabaya. The results of pre-test and post-test comparisons revealed improved knowledge, particularly in using Persona Canvas and Business Model Canvas. The Persona Canvas method encourages students to analyze potential buyers' conditions, helping them understand customer needs and problems. Meanwhile, Business Model Canvas, with its nine components, guides students in considering business sustainability. This shift broadened their perspective from focusing solely on technical skills and product sales to recognizing multiple aspects vital to gaining a competitive edge. Participant feedback confirmed that this training effectively nurtures entrepreneurial mindsets, equipping the younger generation with essential skills for future success.
Rotary friction welding of 304 stainless steel: parametric study, mechanical properties, and microstructure of the joint Firmanto, Hudiyo; Candra, Susila; Hadiyat, Mochammad Arbi
Jurnal Polimesin Vol 22, No 2 (2024): April
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v22i2.4978

Abstract

In the rotary friction welding process, the selection of process parameters affects the friction, heat generation, and joint formation. These factors collectively cause microstructural changes that determine the mechanical properties of the joint. Therefore, the process parameters, microstructure, and mechanical properties were interconnected during rotary friction welding. This study examined the influence of process parameters on their correlation with microstructure and mechanical properties in the rotary friction welding of 304 SS. A 3×4 full factorial experimental design was used to evaluate the effects of the process parameters on the microstructure and strength of 304 SS joints produced through rotary friction welding. An accurate evaluation of joint strength was performed using the notch tensile test technique. The joint with the highest strength was achieved by applying a combination of friction pressure and friction time at 55 bars and 3 seconds, respectively, resulting in a welding efficiency of 103.6%. A very low friction time (i.e., 5 s) produced a weak joint, which should be avoided. The welding process created three distinct structural zones in the joint: a joint structure finer than the parent metal structure, a partially deformed structure, and a heat-affected zone with deformation. Hardness tests of the joints showed a high hardness in the deformed structure. The formed structure contributes to the resulting joint strength.
Co-Authors Herman Susanto Hudiyo Firmanto, Hudiyo Mochammad Arbi Hadiyat Soesanti, Arum Tanaya, Olivia