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All Journal Jurnal Agribisnis Terpadu International Journal of Industrial Innovation and Mechanical Engineering
Ugih Sugiarto
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Agriculture, Biological Sciences & Forestry Astronomy Computer Science & IT Economics, Econometrics & Finance Engineering

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PANGSA PENGELUARAN PANGAN RUMAH TANGGA PETANI PADI-TERPADU DI KECAMATAN PANGKALAN KABUPATEN KARAWANG Ugih Sugiarto; Tuti Karyani; Dini Rochdiani
JURNAL AGRIBISNIS TERPADU Vol 12, No 1 (2019)
Publisher : Jurusan Agribisnis Fakultas Pertanian Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (310.401 KB) | DOI: 10.33512/jat.v12i1.5532

Abstract

This study aims to identify the status of food security of paddy farmer households between monoculture and integrated farmers in Pangkalan District, Karawang Regency. The research was conducted from June to September 2018. This research is quantitative research with survey techniques. The sampling technique in this study was carried out by stratified random sampling . By identifying areas and farmers have potential in rice farming and cattle breeding then selected Tamanmekar village, Tamansari village, and Medalsari village in the Pangkalan district base has the highest number of integrated farming according to data from the initial survey prior to the study. The total number of samples obtained was 107 samples of monoculture farmers and integrated respondents. The number of samples is further divided into the number of respondents of monocultural rice farmers (61 respondents) and integrated farmers (46 respondents). Data analysis uses an analysis of the share of food expenditure and t test to determine the impact of integrated agriculture on household food security. Overall the number of farmer household respondents with the category of food expenditure share <60% or food resistance as many as 69 respondents (64.49%), while the number of households with a share of expenditure ≥ 60% or food insecurity was 38 respondents (35.51%) . The test results of different test using t test showed p-value obtained at 0, 344. When compared with the significant level of 5%, the p-value is greater so it is concluded that it is not there is a difference between the share of agricultural expenditure in the group of monoculture farmers and integrated farmers. It means that integrated farming doesn’t have an impact on food security.
Analysis of The Effect of Variations in Smaw Welding Current on Indications of Surface Defects Using The Penetrant Test (PT) and Magnetic Particle Test (MT) on ASTM A106 GR. B Pipes Based on Asme B31.3 Acceptance Criteria Ugih Sugiarto; Adri Fato
International Journal of Industrial Innovation and Mechanical Engineering Vol. 3 No. 3 (2026): August: International Journal of Industrial Innovation and Mechanical Engineeri
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/ijiime.v3i3.448

Abstract

Shielded Metal Arc Welding (SMAW) is one of the most widely used metal joining processes in the piping industry because it is capable of producing weld joints with good quality and mechanical strength. One of the welding parameters that significantly affects weld quality is the welding current. An inappropriate current setting may increase the occurrence of surface discontinuities, which can reduce the quality of the welded joint. This study aimed to analyze the effect of SMAW welding current variations on surface discontinuity indications in ASTM A106 Grade B pipe using the Penetrant Test (PT) and Magnetic Particle Test (MT) methods based on the Acceptance Criteria of ASME B31.3. The research was conducted using an experimental method on ASTM A106 Grade B pipe welded with an E7018 electrode of 3.2 mm diameter in the 1G welding position. The welding current variations applied were 46 A, 65 A, 88 A, 115 A, 160 A, and 210 A. Each specimen was initially examined through Visual Inspection, followed by Penetrant Test (PT) and Magnetic Particle Test (MT) to identify surface discontinuity indications. The inspection results were subsequently evaluated according to the Acceptance Criteria of ASME B31.3. The results showed that variations in welding current affected the surface quality of the welded joints. At welding currents of 46 A and 65 A, porosity and incomplete fill indications were still observed, while undercut indications were identified at 160 A and 210 A. In contrast, the specimens welded at 88 A and 115 A showed no discontinuity indications exceeding the acceptance limits and were therefore classified as acceptable. Based on the evaluation in accordance with the Acceptance Criteria of ASME B31.3, it can be concluded that the welding current range of 88 A to 115 A produced the best weld surface quality under the conditions of this study.
Co-Authors Adri Fato Dini Rochdiani Tuti Karyani