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STUDI AWAL PEMBUATAN FEEDSTOCK METAL INJECTION MOULDING MENGGUNAKAN TORQUE RHEOMETER
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AbstrakMeningkatnya kebutuhan masyarakat akan alat transportasi, telekomunikasi, peralatan kesehatan, dll akan berdampak pada kemampuan industri dalam melakukan produksi secara efektif dan efisien. Metal Injection Moulding (MIM) merupakan solusi teknologi lanjut yang dapat digunakan untuk menghasilkan produk/komponen berukuran kecil, presisi dengan bentuk yang komplek dan dapat diproduksi secara massal. Persiapan Feedstock (bahan baku) berperan sangat penting dalam proses MIM, karena kualitas feedstock akan mempengaruhi kualitas produk akhir. Feedstock adalah campuran (mixed) antara powder dan binder yang homogen dengan rasio perbandingan tertentu dan memiliki perilaku pseudo-plastik. Pada proses MIM Laju geser yang digunakan selama proses injeksi berkisar antara 100-10000 s-1 dengan viskositas maksimum sebesar 1000 Pa.s. Penelitian ini dilakukan untuk mengetahui karakterisitik rheologi feedstock melalui nilai laju geser dan viskositasnya. Hasil penelitian menunjukkan bahwa feedstock Fe2%Ni dengan binder 79%(PW) + 20%(HDPE) + 1%(SA[S1] ) dan feedstock Fe2%Ni dengan binder 79%(PW) + 20%(EVA) + 1%(SA[S2] ) memenuhi syarat rheologi sebagai feedstock Metal Injection Molding..Kata Kunci : Feedstock, binder, mixing [S1]komposisinya [S2]komposisinya
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Title: STUDI AWAL PEMBUATAN FEEDSTOCK METAL INJECTION MOULDING MENGGUNAKAN TORQUE RHEOMETER
Description:
AbstrakMeningkatnya kebutuhan masyarakat akan alat transportasi, telekomunikasi, peralatan kesehatan, dll akan berdampak pada kemampuan industri dalam melakukan produksi secara efektif dan efisien.
Metal Injection Moulding (MIM) merupakan solusi teknologi lanjut yang dapat digunakan untuk menghasilkan produk/komponen berukuran kecil, presisi dengan bentuk yang komplek dan dapat diproduksi secara massal.
Persiapan Feedstock (bahan baku) berperan sangat penting dalam proses MIM, karena kualitas feedstock akan mempengaruhi kualitas produk akhir.
Feedstock adalah campuran (mixed) antara powder dan binder yang homogen dengan rasio perbandingan tertentu dan memiliki perilaku pseudo-plastik.
Pada proses MIM Laju geser yang digunakan selama proses injeksi berkisar antara 100-10000 s-1 dengan viskositas maksimum sebesar 1000 Pa.
s.
Penelitian ini dilakukan untuk mengetahui karakterisitik rheologi feedstock melalui nilai laju geser dan viskositasnya.
Hasil penelitian menunjukkan bahwa feedstock Fe2%Ni dengan binder 79%(PW) + 20%(HDPE) + 1%(SA[S1] ) dan feedstock Fe2%Ni dengan binder 79%(PW) + 20%(EVA) + 1%(SA[S2] ) memenuhi syarat rheologi sebagai feedstock Metal Injection Molding.
Kata Kunci : Feedstock, binder, mixing [S1]komposisinya [S2]komposisinya.
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