eprintid: 58853 rev_number: 16 eprint_status: archive userid: 13276 dir: disk0/00/05/88/53 datestamp: 2026-03-02 02:57:49 lastmod: 2026-03-02 02:57:49 status_changed: 2026-03-02 02:57:49 type: thesis metadata_visibility: show contact_email: afif.rizky.98@gmail.com creators_name: Nugroho, Afif Rizky Tri creators_id: 3334200033 contributors_type: http://www.loc.gov/loc.terms/relators/THS contributors_type: http://www.loc.gov/loc.terms/relators/THS contributors_name: Suryana, Suryana contributors_name: Hasanah, Indah Uswatun contributors_id: 197402162001121001 contributors_id: 199012142019032022 corp_creators: UNIVERSITAS SULTAN AGENG TIRTAYASA corp_creators: FAKULTAS TEKNIK corp_creators: JURUSAN TEKNIK METALURGI title: PENGARUH PENAMBAHAN MASTER ALLOY AL-CU DAN TEMPERATUR HOMOGENISASI TERHADAP SIFAT MEKANIK DAN STRUKTUR MIKRO ALUMUNIUM ALLOY 2024 ispublished: pub subjects: TN subjects: TS divisions: Metalurgi full_text_status: restricted keywords: Aluminium, Sifat Mekanik, Die Casting, Hot Rolling, Tensile Strength. abstract: Penelitian ini berjudul "Pengaruh Penambahan Master Alloy Al-Cu dan Temperatur Homogenisasi terhadap Sifat Mekanik dan Struktur Mikro Aluminium Alloy 2024". Tujuan utama dari penelitian ini adalah untuk mengeksplorasi bagaimana penambahan tembaga (Cu) dan variasi suhu homogenisasi memengaruhi sifat mekanik dan struktur mikro paduan aluminium 2024. Paduan aluminium dipilih karena sifatnya yang ringan dan kuat, serta ketahanannya terhadap korosi, yang sangat penting dalam industri dirgantara. Penelitian ini menggunakan metode eksperimen di Laboratorium Material Manufaktur, dengan fokus pada tiga variasi kandungan Cu (3,9%, 4,4%, dan 4,9%) dan suhu homogenisasi (470°C, 500°C, dan 530°C). Penelitian ini menunjukkan bahwa kombinasi kadar Cu 3,9% dan suhu homogenisasi 470°C merupakan kondisi paling optimal karena menghasilkan presipitat halus dan merata yang meningkatkan kekerasan serta kekuatan tarik, sedangkan kadar Cu yang lebih tinggi atau suhu yang terlalu rendah maupun terlalu tinggi menyebabkan terbentuknya presipitat kasar atau coarsening yang menurunkan sifat mekanik paduan aluminium 2024. Hasil penelitian diharapkan dapat memberikan gambaran yang jelas mengenai pengaruh faktor-faktor tersebut terhadap kekuatan mekanik, melalui pengujian kekerasan dan tarik, serta analisis struktur mikro menggunakan teknik metalografi. Hasil dari penelitian ini diharapkan dapat memberikan kontribusi terhadap pengembangan material pada industri dirgantara di Indonesia, serta merekomendasikan penggunaan bahan baku daur ulang untuk meningkatkan keberlanjutan industri. Penelitian ini juga berpotensi memberikan rekomendasi strategis bagi pelaku industri dan pembuat kebijakan untuk meningkatkan daya saing dan keberlanjutan industri dirgantara di kancah global. date: 2026-01-17 date_type: published pages: 89 institution: Fakultas Teknik Universitas Sultan Ageng Tirtayasa department: TEKNIK METALURGI thesis_type: sarjana thesis_name: sarjana referencetext: DAFTAR PUSTAKA [1] S. F. Ariyanti, M. S. Silambi, F. Zulmi, dan U. Umiatin, “Penerapan Paduan Bahan Paramagnetik Aluminium-Litium (Al-Li Alloy) Generasi Ketiga Sebagai Bahan Baku Struktural Sayap Pesawat Terbang: Sebuah Kajian,” PRODI Pendidikan Fisika dan Fisika UNJ, 2023. doi: 10.21009/03.1101.fa19. [2] D. S. Wong dan P. Lavoie, “Aluminum: Recycling and Environmental Footprint,” 15 September 2019, Minerals, Metals and Materials Society. doi: 10.1007/s11837-019-03656-9. [3] C. Bulei, M. P. Todor, T. Heput, dan I. Kiss, “Recovering Aluminium for Recycling in Reusable Backyard Foundry that Melts Aluminium Cans,” dalam IOP Conference Series: Materials Science and Engineering, Institute of Physics Publishing, Okt 2018. doi: 10.1088/1757-899X/416/1/012099. [4] S. S. Li dkk., “Development and applications of aluminum alloys for aerospace industry,” 1 November 2023, Elsevier Editora Ltda. doi: 10.1016/j.jmrt.2023.09.274. [5] J. F. Shackelford, “Introduction to Materials Science for Engineers,” 2015. [6] A. U. Samuel, A. O. Araoyinbo, R. R. Elewa, dan M. B. Biodun, “Effect of Machining of Aluminium Alloys with Emphasis on Aluminium 6061 Alloy – A Review,” IOP Conf Ser Mater Sci Eng, vol. 1107, no. 1, hlm. 012157, Apr 2021, doi: 10.1088/1757-899x/1107/1/012157. [7] M. Didi Endah Pranata dan J. Mujiat, “Analisis Struktur Mikro Dan Sifat Mekanik Paduan Al 2014 Hasil Proses Aging Dengan Variasi Temperatur Dan Waktu Tahan.” [8] M. L. Abel, P. Tsakiropoulos, J. F. Watts, dan J. A. D. Matthew, “Free-electron metal alloys: A study by high-energy XPS,” Surface and Interface Analysis, vol. 33, no. 10–11, hlm. 775–780, Okt 2002, doi: 10.1002/sia.1453. [9] E. B. Moustafa dkk., “Influence of Friction Stir Process on the Physical, Microstructural, Corrosive, and Electrical Properties of an Al–Mg Alloy Modified with Ti–B Additives,” Materials, vol. 15, no. 3, Feb 2022, doi: 10.3390/ma15030835. [10] A. Bouzekova-Penkova dan A. Miteva, “Some Aerospace Applications of 7075 (B95) Aluminium Alloy,” Aerospace Research in Bulgaria, vol. 34, hlm. 165–179, 2022, doi: 10.3897/arb.v34.e15. [11] T. J. Saktisahdan, U. Asahan, J. J. A. Yani, T. / Fax, dan P. T. Mesin, “Pengaruh Proses Heat Treatment Terhadap Perubahan Struktur Mikro Baja Karbon Rendah,” 2019. [12] W. Yang, Y. Zhou, Y. Ma, K. Liu, L. Wang, dan K. Chen, “The Ferrite Layer on the Surface of Carbon Steel Obtained by Precisely Designed Cooling Rate Heat Treatment and Its Microstructure Analysis,” Coatings, vol. 12, no. 4, Apr 2022, doi: 10.3390/coatings12040541. [13] A. Adipura dan M. Nafi, “Analisa Pengaruh Heat Treatment Temperring Dengan Variasi Waktu Tahan Dan Media Pendingin Terhadap Sifat Mekanik Baja Karbon Rendah,” 2022. [14] M. Kalina, V. Schöne, B. Spak, F. Paysan, E. Breitbarth, dan M. Kästner, “Fatigue crack growth in anisotropic aluminium sheets -- phase-field modelling and experimental validation,” Agu 2023, [Daring]. Tersedia pada: http://arxiv.org/abs/2308.00800 [15] O. Zobac, A. Kroupa, A. Zemanova, dan K. W. Richter, “Experimental Description of the Al-Cu Binary Phase Diagram,” Metall Mater Trans A Phys Metall Mater Sci, vol. 50, no. 8, hlm. 3805–3815, Agu 2019, doi: 10.1007/s11661-019-05286-x. [16] L. B. Ber, “Accelerated artificial ageing regimes of commercial aluminum alloys. I. Al-Cu-Mg alloys,” 2000. [Daring]. Tersedia pada: www.elsevier.com/locate/msea [17] Callister William D.; Rethwish David G., “Materials Science and Engineering An Introduction by William D. Callister, Jr., David G. Rethwish (z-lib.org),” vol. 10, 2018. [18] M. F. Ashby dan D. R. H. Jones, “Processing Metals 1,” dalam Engineering Materials 2, Elsevier, 2013, hlm. 255–278. doi: 10.1016/b978-0-08-096668-7.00015-2. [19] W. Cassada, J. Liu, dan J. Staley, “Aluminum alloys for aircraft structures,” 2012, ASM International. doi: 10.1533/9780857095152.173. [20] J. N. I. Prihartono, “Perancangan Alat Uji Kekerasan Metode Brinell Dan Rockwell Berdasarkan Vdi 2221,” 2022. [21] W. T. W. K. F. Putra, “Analisa Kekuatan Tarik Seng Galvanis Terhadap Beban Yang Diberikan,” Jurnal Teknik Mesin , vol. 5, no. 1, hlm. 9–14, 2019. [22] D. I. Tsamroh, M. I. N. Sasongko, dan C. Yazirin, “Analisis Sifat Mekanik dan Sifat Fisik Paduan Aluminium pada Perlakuan Penuaan Buatan,” vol. 18, hlm. 2022, 2022, doi: 10.26905/jtmt.v18i1.8056. [23] A. Kudyba, S. Akhtar, I. Johansen, dan J. Safarian, “Valorization of aluminum dross with copper via high temperature melting to produce al-cu alloys,” Materials, vol. 14, no. 15, Agu 2021, doi: 10.3390/ma14154117. [24] M. Król, T. Tański, P. Snopiński, dan B. Tomiczek, “Structure and properties of aluminium–magnesium casting alloys after heat treatment,” J Therm Anal Calorim, vol. 127, no. 1, hlm. 299–308, Jan 2017, doi: 10.1007/s10973-016-5845-4. [25] N. S. N, P. C. ArunaKumara, dan R. M. N, “Enhanced Tribological Performance of AA2024-Based Hybrid Metal Matrix Composite Reinforced with SiC and CNT: A Comprehensive Study,” 2023. [26] Y. Geng dkk., “A review of microstructure and texture evolution with nanoscale precipitates for copper alloys,” 2020, Elsevier Editora Ltda. doi: 10.1016/j.jmrt.2020.08.055. [27] R. Lei, M. Wang, S. Xu, H. Wang, dan G. Chen, “Microstructure, hardness evolution, and thermal stability mechanism of mechanical alloyed Cu-Nb alloy during heat treatment,” Metals (Basel), vol. 6, no. 9, Sep 2016, doi: 10.3390/met6090194. [28] W. Wei dkk., “Effect of Aging Treatment on the Precipitation Behavior of a Novel Al-Cu-Zr Cast Alloy,” Materials, vol. 15, no. 22, Nov 2022, doi: 10.3390/ma15228163. [29] Z. Chen, Y. Zhao, dan Z. Zhang, “Theoretical and experimental study of precipitation and coarsening kinetics of θ′ phase in Al–Cu alloy,” Vacuum, vol. 189, Jul 2021, doi: 10.1016/j.vacuum.2021.110263. [30] M. L. S. Zappulla dan B. G. Thomas, “Surface defect formation in steel continuous casting,” dalam Materials Science Forum, Trans Tech Publications Ltd, 2018, hlm. 112–117. doi: 10.4028/www.scientific.net/MSF.941.112. [31] V. Vivcharenko, M. Wojcik, K. Palka, dan A. Przekora, “Highly porous and superabsorbent biomaterial made of marine‐derived polysaccharides and ascorbic acid as an optimal dressing for exuding wound management,” Materials, vol. 14, no. 5, hlm. 1–21, Mar 2021, doi: 10.3390/ma14051211. [32] Y. Wang, X. Lin, N. Kang, Z. Wang, Y. Liu, dan W. Huang, “Influence of post-heat treatment on the microstructure and mechanical properties of Al-Cu-Mg-Zr alloy manufactured by selective laser melting,” J Mater Sci Technol, vol. 111, hlm. 35–48, Jun 2022, doi: 10.1016/j.jmst.2021.09.036. [33] G. Y. Li, L. Kong, E. Z. Liu, X. D. Zhang, W. Q. Cao, dan Y. H. Wang, “Effect of Aging Treatment on the Microstructure and Mechanical Properties of Fe-Mn-Al-C Low Density Steel,” IOP Conf Ser Mater Sci Eng, vol. 1249, no. 1, hlm. 012053, Jul 2022, doi: 10.1088/1757-899x/1249/1/012053. [34] H. F. Amin, A. I. Khwakaram, O. S. Mahmood, P. M. Karim, dan R. R. Amin, “Effect of Vegetable Oil Quenchants and Precipitation Hardening on the Mechanical Properties of Aluminum Alloy (AA2024),” Journal of Engineering, vol. 30, no. 8, hlm. 85–100, Agu 2024, doi: 10.31026/j.eng.2024.08.06. [35] D. Irmer, C. Moussa, L. T. Belkacemi, M. Sennour, A. Vaissière, dan V. A. Esin, “Effect of cold rolling on nucleation, growth and coarsening of S-phase precipitates in Al- Cu- Mg alloy (AA2024): From heterogeneous nucleation to homogeneous spatial distribution,” J Alloys Compd, vol. 963, Nov 2023, doi: 10.1016/j.jallcom.2023.171162. [36] N. Radutoiu dkk., “Effect of the Over-ageing Treatment on the Mechanical Properties of AA2024 Aluminum Alloy,” 2012. [Daring]. Tersedia pada: http://www.revistadechimie.ro citation: Nugroho, Afif Rizky Tri (2026) PENGARUH PENAMBAHAN MASTER ALLOY AL-CU DAN TEMPERATUR HOMOGENISASI TERHADAP SIFAT MEKANIK DAN STRUKTUR MIKRO ALUMUNIUM ALLOY 2024. S1 thesis, Fakultas Teknik Universitas Sultan Ageng Tirtayasa. document_url: https://eprints.untirta.ac.id/58853/1/Afif%20Rizky%20Tri%20%20Nugroho_3334200033_Fulltext.pdf document_url: https://eprints.untirta.ac.id/58853/2/Afif%20Rizky%20Tri%20%20Nugroho_3334200033_01.pdf document_url: https://eprints.untirta.ac.id/58853/3/Afif%20Rizky%20Tri%20%20Nugroho_3334200033_02.pdf document_url: https://eprints.untirta.ac.id/58853/4/Afif%20Rizky%20Tri%20%20Nugroho_3334200033_03.pdf document_url: https://eprints.untirta.ac.id/58853/5/Afif%20Rizky%20Tri%20%20Nugroho_3334200033_04.pdf document_url: https://eprints.untirta.ac.id/58853/6/Afif%20Rizky%20Tri%20%20Nugroho_3334200033_05.pdf document_url: https://eprints.untirta.ac.id/58853/7/Afif%20Rizky%20Tri%20%20Nugroho_3334200033_Ref.pdf document_url: https://eprints.untirta.ac.id/58853/8/Afif%20Rizky%20Tri%20%20Nugroho_3334200033_Lamp.pdf document_url: https://eprints.untirta.ac.id/58853/9/Afif%20Rizky%20Tri%20%20Nugroho_3334200033_CP.pdf