Winarto Winarto
YOU?
Author Swipe
View article: The Remanufacturing of Track Rollers Requires The Application of A Hardfacing Technique, Which is Achieved by Combining Buttering with 309LMo Gas Metal Arc Welding (GMAW) and The TiC-O Flux-core Arc Welding (FCAW) Process
The Remanufacturing of Track Rollers Requires The Application of A Hardfacing Technique, Which is Achieved by Combining Buttering with 309LMo Gas Metal Arc Welding (GMAW) and The TiC-O Flux-core Arc Welding (FCAW) Process Open
The operation of the track rollers is dependent on the frictional forces between the rollers and the track. Furthermore, the presence of moisture-laden sand and mud in the surrounding environment accelerates the corrosion process, leading …
View article: The effect of deposition bead pattern and multilayer hardfacing on wear resistance of Q55 rail using SMAW
The effect of deposition bead pattern and multilayer hardfacing on wear resistance of Q55 rail using SMAW Open
This study aims to analyze the effect of weld bead pattern and multilayer hardfacing on the hardness, toughness, and wear resistance values of Q55 using the Shielded Metal Arc Welding (SMAW) process with Panalloy 312 MA and 307 MA for the …
View article: Fenol total, flavonoid, dan aktivitas antioksidan beras coklat germinasi dari beras hasil budidaya di Provinsi Lampung
Fenol total, flavonoid, dan aktivitas antioksidan beras coklat germinasi dari beras hasil budidaya di Provinsi Lampung Open
Germination process is a method to increase the acceptability of brown rice. In addition,it will increase the content of brown rice bioactive components. This study's purpose is to determine the content of total phenol, flavonoids, and …
View article: Flipped classroom analysis in science online learning based on literature review in improving to improve collaborative problem solving (CPS)
Flipped classroom analysis in science online learning based on literature review in improving to improve collaborative problem solving (CPS) Open
This study aims to analyze flipped classrooms in online learning in improving to improve Collaborative Problem Solving (CPS) skills. The application of the Flipped Classroom strategy can provide a number of advantages for teachers and stud…
View article: Manajemen Strategi Pengembangan Pasar Industri Kripik Jamur Bintang Mas Srengat Kabupaten Blitar
Manajemen Strategi Pengembangan Pasar Industri Kripik Jamur Bintang Mas Srengat Kabupaten Blitar Open
Industrial development management must be implemented optimally by business actors, it is an absolute requirement for companies to be able to develop rapidly. The strategies implemented are certainly needed by business actors, starting fro…
View article: Effect of Post-Weld Treatment on the Microstructure and Mechanical Properties of Austempered FeNiCr Steel Welded Joint
Effect of Post-Weld Treatment on the Microstructure and Mechanical Properties of Austempered FeNiCr Steel Welded Joint Open
This study investigated isothermally treated FeNiCr structural steel welded joints. The base metal contains various phases which are dominated by a mixture of bainite and martensite. Joining this steel can be challenging since it has high …
View article: Response Surface Method Approach for Optimizing Roasting Condition in Robusta Coffee Cupping Test Quality
Response Surface Method Approach for Optimizing Roasting Condition in Robusta Coffee Cupping Test Quality Open
The Roasting process was an important step to generate good-quality roasted coffee beans. Two factors that affected coffee bean perfection were roasting time and temperature. An appropriate time and temperature will emphasize the greatest …
View article: Effect of Heat Input on Microstructure and Mechanical Properties of Submerged Arc Welded SM570-TMC Steel
Effect of Heat Input on Microstructure and Mechanical Properties of Submerged Arc Welded SM570-TMC Steel Open
SM570TMC is high-strength steel (HSS), which is commonly used in structures that require higher-strength components. In this research, submerged arc welding (SAW)-welded SM570 TMC steels' microstructure and mechanical characteristics were …
View article: Mechanical Properties Of Welding API 5l X-65 Cladded UNS N08825 Material Due To The Effect of Welding Repair
Mechanical Properties Of Welding API 5l X-65 Cladded UNS N08825 Material Due To The Effect of Welding Repair Open
This study evaluate the mechanical characteristics and microstructure of API 5L X-65-clad UNS N08825 during repair welding. Gas tungsten arc welding (GTAW) and shielded metal arc welding were used in combination to carry out the welding an…
View article: Comparison study of conventional underwater electrodes and electrodes with additional modification of mg
Comparison study of conventional underwater electrodes and electrodes with additional modification of mg Open
The influence of water depth, microstructure, chemical composition, welding defects, and mechanical properties affect underwater welding. In addition, the determination of electrodes for underwater welding requires unique properties, inclu…
View article: Rice Plant Growth Enhancement and Bacterial Leaf Blight Control by the Rhizobacterial Consortium
Rice Plant Growth Enhancement and Bacterial Leaf Blight Control by the Rhizobacterial Consortium Open
Bacterial leaf blight (BLB) in rice plants is brought on by the bacterium Xanthomonas oryzae pv.oryzae (Xoo).Rhizobacteria are a group of plant root microorganisms that have a beneficial effect on plants.The rhizobacteria A consortium is a…
View article: Karakteristik Komunitas Serangga Pengunjung Bunga Pada Beberapa Tanaman Refugia
Karakteristik Komunitas Serangga Pengunjung Bunga Pada Beberapa Tanaman Refugia Open
This study was conducted to determine the characteristics of the insect community of flower visitors on several refugia plants. The research was carried out in the experimental field of the Faculty of Agriculture, Jambi University and the …
View article: Crack Analysis Due to Fatigue Load During Subsea Pipeline Installation
Crack Analysis Due to Fatigue Load During Subsea Pipeline Installation Open
Most of the subsea pipelines in Indonesia are installed using the S-Lay method with the pipelay barges equipped with mooring spreads, tensioners, and stinger. During the subsea pipeline installation, static loads occur due to the pipeline …
View article: Karakteristik dan Preferensi Habitat Penyu dalam Membuat Sarang Alami untuk Peneluran
Karakteristik dan Preferensi Habitat Penyu dalam Membuat Sarang Alami untuk Peneluran Open
This study aims to examine the characteristics and environmental factors of turtles' preferences in making their natural nests. The method used is the descriptive quantitative method. The results showed that there were two types of turtles…
View article: Interleukin-6 and C-reactive Protein on Admission as Predictor of Mortality in Severe COVID-19 Patients: A Retrospective Cohort Study
Interleukin-6 and C-reactive Protein on Admission as Predictor of Mortality in Severe COVID-19 Patients: A Retrospective Cohort Study Open
Predictors of mortality, an important factor to guide management in COVID-19 patients, have not been fully understood. The common laboratory test for assessing severity in COVID-19 patients include Interleukin-6 (IL-6) and C-Reactive Prote…
View article: Characteristics of Mechanical Properties and Microstructure of Micro Friction Stir Spot Welding of AA1100 and Brass
Characteristics of Mechanical Properties and Microstructure of Micro Friction Stir Spot Welding of AA1100 and Brass Open
Friction stir spot welding (FSSW) is a type of solid state welding that has been widely developed using both similar and dissimilar materials. Aluminum AA1100 (99% Al) and brass (Cu-Zn) with a thickness of 0.42 mm are used in this weld…
View article: Activity of Castor Bean Leaves Extract (Ricinus Communis Linnaeus) to Development of Nematode Meloidogyne Spp. on Tomato Plant (Lycopersicum esculentum Miller)
Activity of Castor Bean Leaves Extract (Ricinus Communis Linnaeus) to Development of Nematode Meloidogyne Spp. on Tomato Plant (Lycopersicum esculentum Miller) Open
Meloidogyne spp. is one of the nematodes that cause root-knot on tomato plants. The botanical nematicide that potentially suppresses the nematode is castor bean leaves (Ricinus communis Linnaeus) extract. This research aimed to get the let…
View article: Antibacterial effect of bitter melon extract (Momordica charantia) against Staphylococcus aureus and Streptococcus pyogenes
Antibacterial effect of bitter melon extract (Momordica charantia) against Staphylococcus aureus and Streptococcus pyogenes Open
Bitter melon with phytochemical contents has been proven to contain anti-microbial activity. However, previous studies only used diffusion method with uncertain breakpoint for the inhibition zone diameter (IZD) produced. The aim of this re…
View article: Bahasa Indonesia
Bahasa Indonesia Open
Anthracnose or leaf fall disease caused by Gloeosporium gloeosporioides is a pathogen that attacks cocoa plants during the nursery phase and production. This study aimed to obtain the best rhizobacteria, which can induce cocoa seeds resist…
View article: Bond Strength, Hardness, and Microstructure Analysis of Stellite Coating Applied on 410 Steel Surface Using Flame Spray, Plasma Spray, and High-Velocity Oxyfuel Spray Process
Bond Strength, Hardness, and Microstructure Analysis of Stellite Coating Applied on 410 Steel Surface Using Flame Spray, Plasma Spray, and High-Velocity Oxyfuel Spray Process Open
Three thermal spray methods often used in industry are flame spray, plasma spray, and high-velocity oxyfuel (HVOF) spray. This research is intended to compare the properties of those methods in depositing Stellite coating on 410 martensiti…
View article: Fracture Toughness and Microstructure of Gas Metal Arc Welded Plates of Aluminium Alloy 5083 Using Different Filler Wires and Heat Inputs
Fracture Toughness and Microstructure of Gas Metal Arc Welded Plates of Aluminium Alloy 5083 Using Different Filler Wires and Heat Inputs Open
Aluminum alloys AA5083 is alloys which mostly used in the hull components of the ship and high-speed craft. Commonly gas metal arc welding (GMAW) is used for joining the construction. Welding strength especially cracks toughness, is very i…
View article: Influence the Filler Metal Containing Zirconium on the Weld Metal Porosity of The MIG Welded Aluminum Alloy 5083
Influence the Filler Metal Containing Zirconium on the Weld Metal Porosity of The MIG Welded Aluminum Alloy 5083 Open
The aluminum alloy series 5083 has high corrosion resistance and high specific strength properties; hence, it is widely used for ship structures, marine components, cryogenics of LNG tanks, and unfired pressure vessels. This study was unde…
View article: KETEPATAN WAKTU APLIKASI Paecilomyces lilacinus DALAM MENGENDALIKAN NEMATODA BENGKAK AKAR (Meloidogyne spp.) PADA TANAMAN TOMAT
KETEPATAN WAKTU APLIKASI Paecilomyces lilacinus DALAM MENGENDALIKAN NEMATODA BENGKAK AKAR (Meloidogyne spp.) PADA TANAMAN TOMAT Open
Root-knot nematodes (Meloidogyne spp.) have been reported to be one of the primary pathogens that decreased tomato production in Indonesia. Biological control of root-knot nematodes by using parasitic fungus as like as Paecilomyces lilacin…
View article: ANTIMICROBIAL EFFECT OF ARROWROOT (Maranta arundinacea L.) METHANOLIC EXTRACT AGAINST Staphylococcus aureus BACTERIAL GROWTH
ANTIMICROBIAL EFFECT OF ARROWROOT (Maranta arundinacea L.) METHANOLIC EXTRACT AGAINST Staphylococcus aureus BACTERIAL GROWTH Open
Introduction: Staphylococcus aureus is a spherical gram-positive bacterium that forms clusters and is frequently resistant to antibiotics. Methicillin-Resistant Staphylococcus aureus (MRSA) is a strain of S. aureus that is resistant to bet…
View article: Karakteristik Klinis Kasus Pterygium di Rumah Sakit Dr. Kariadi
Karakteristik Klinis Kasus Pterygium di Rumah Sakit Dr. Kariadi Open
Introduction and Objective: Pterygium is a fibrovascular tissue growth of conjunctiva. The aim of this study was to report the clinical characteristic of pterygium cases in dr. Kariadi Hospital Semarang. Method: This is a retrospective stu…
View article: Microstructure and Mechanical Properties of Ah-36 Steel Weldment Welded using Magnesium Modified E6013 Electrode
Microstructure and Mechanical Properties of Ah-36 Steel Weldment Welded using Magnesium Modified E6013 Electrode Open
The base metal used in this study was high strength low alloy (HSLA) AH-36 steel. The welding process used the E6013 as a rutile electrode. Four rutile electrodes were produced by adding Mg metal powder, ranging from 0 to 5 wt.%, to the in…
View article: Effects of Heat Input on Microstructures, Hardness, and Residual Stress of GMA Weld Dissimilar butt joints between Stainless Steel SUS 316 and Marine Steel AH 36
Effects of Heat Input on Microstructures, Hardness, and Residual Stress of GMA Weld Dissimilar butt joints between Stainless Steel SUS 316 and Marine Steel AH 36 Open
The present study investigates the dissimilar metal weld between SUS 316 and Naval Steel AH 36. The joints were fabricated with the gas metal arc welding with ER309L filler wire with two different heat inputs (0.8 kJ/mm and 1.5 kJ/mm). The…
View article: Study on Residual Stress by Neutron Diffraction in SM570-TMC Welded by Flux-Cored Wires Containing Different Nickel
Study on Residual Stress by Neutron Diffraction in SM570-TMC Welded by Flux-Cored Wires Containing Different Nickel Open
Residual stresses developed during fusion welding operations may affect the fatigue life of the steel welded structures under dynamic loading conditions.This research aimed to investigate the residual stress distribution along the fusion w…