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Jurnal Energi Dan Manufaktur
Article . 2016
Data sources: DOAJ
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Pengembangan Indentation Size Effect (ISE) Dalam Penentuan Koefisien Pengerasan Regang Baja

Authors: I Nyoman Budiarsa;

Pengembangan Indentation Size Effect (ISE) Dalam Penentuan Koefisien Pengerasan Regang Baja

Abstract

Abstrak: Hubungan antara sifat material konstitutif dengan indentasi kekerasan (Hardness Indentation) termasuk ISE (Indentation Size Effect) telah dikembangkan dan dievaluasi dengan indentasi Vickers, hal Ini akan menjadi alat yang berguna dalam mengevaluasi kelayakan penggunaan nilai kekerasan dalam memprediksi parameter bahan konstitutif dengan mengacu pada syarat akurasi pada rentang semua potensi bahan. ISE dapat konsisten diukur dan dapat berpotensi dihubungkan dengan H/E rasio. Skala ISE dari sampel yang diuji menunjukkan pengulangan yang konsisten dan berhubungan kuat dengan sifat material secara signifikan. Hal Ini berpotensi memberikan set data eksperimen yang mencerminkan sifat material yang terkait dengan ketegangan gradien dan kerapatan dislokasi selama proses indentasi Konsep untuk menggunakan data ukuran indentasi Vickers telah dikembangkan untuk meningkatkan akurasi sifat invers pemodelan berdasarkan kekerasan menggunakan baja sebagai sistem bahan. Penelitian ini menunjukkan bahwa ada ISE signifikan dalam tes kekerasan Vickers dimana skala dan reliabilitas ISE dianalisis dengan fitting data mengikuti Power law and proportional resistance model Sebuah konsep baru menggunakan data ISE untuk memperkirakan Koefisien Pengerasan Regang (n) nilai-nilai dari baja telah dievaluasi dan menunjukkan hasil yang baik untuk mempersempit kisaran sifat material yang diprediksi berdasarkan nilai-nilai kekerasan. . Kata kunci: ISE, H/E rasio, Koefisien Pengerasan Regang (n) Abstract: The relationship between the constitutive material properties with Hardness indentation including ISE (indentation Size Effect) has been developed and evaluated by Vickers indentation. This provided a useful tool in evaluating the feasibility of using of hardness value in predicting the constitutive material parameters with reference to the terms of accuracy in the all the potential materials range. ISE can be consistently measured and may potentially be associated with H/E ratio. ISE scale of the samples tested showed consistent repeatability and strongly associated with material properties significantly. This case has the potential to provide experimental data set that reflects the material properties associated with Strain gradient and dislocation density during the indentation process. The concept for using Vickers indentation size data have been developed to improve the accuracy of inverse modeling based of hardness using steel as a material system. This study shows that there are significant ISE in which the Vickers hardness test scale and reliability of ISE analyzed by fitting data following the Power Law and Proportional Resistance Model. A new concept of using ISE data for estimating the Strain hardening exponent (n) values of steel has been evaluated and shown reasonable results for narrowing the range of predicted material properties based on hardness values Keywords: ISE, H/E ratio, Strain hardening exponent (n)

Keywords

Technology, T, TJ1-1570, Mechanical engineering and machinery, ISE, H/E ratio, Strain hardening exponent (n)

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
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gold