Recently, the most critical issue related to use of natural fibre-reinforced polymer composites (NFRPC) is degradation properties exposed environment. NFRPC’s moisture absorption behaviour has adverse effects on composite’s mechanical and dimensional stability. The purpose this study analyse epoxy reinforced by jute–ramie hybridisation. This also analysed effect stacking sequence hybridisation composite water behaviour. A five-layer different type single hybrid produced with hand lay-up...

As a sophisticated platform, namely Blockchain, which has 3 (three) potentials to change the governance system is still considered traditional, solve problem of principal agents, and minimize crime document falsification. However, in government sector, documents used can be insecure lead Blockchain becoming increasingly significant services beyond until questions arise about authenticity security manuscripts sector. So, Go-Chain (Government Blockchain) it necessary authenticate using...

Biopolymers are utilized extensively in the medical field. The production of biodegradable bone screws for implants utilizing biopolymer materials is one advances developments. Polylactic acid (PLA) a frequently employed medicinal applications. Using 3D printing, this research was done to create screw derived from PLA. printing process chosen reduce cost and duration repair. A nozzle temperature 210oC bed 60oC PLA screws. torque test, fracture analysis, density biodegradation test were...

Abstract This research was conducted on industrial agriculture in Indonesia. Risk analysis carried out based previous research. One source of risk obtained, namely raw materials that did not meet specifications, which then proposed to be mitigated by evaluating supplier performance. activity involves a lot data, requiring efficient and effective data storage access. The level the simulation layout includes analysing system needs, using problem diagrams, compiling deciding subprocesses,...

The manufacturing of materials, in conjunction with green technology, emphasises the need to employ renewable resources ensure long-term sustainability. Re-exploring elements that can be employed as reinforcing materials polymer composites has been a major endeavour. research goal is determine how well palm kernel cake filler (PKCF) performs reinforced epoxy composites. In this study, PKCF 100 mesh was mixed resin (ER) various ratios ranging from 10% 40% by weight. Hand lay-up an open mould...

Many projects in Indonesia have implemented new strategies response to the COVID-19 outbreak. suffered unexpected losses during pandemic, and conditions were unpredictable. This situation must be considered by all stakeholders participating a project. Another problem implementation of construction is fragmentation between project participants. Therefore, strategy needed each phase life cycle. In absence proper planning, contractor party responsible for bearing risk associated with this...

The study aims to comprehensively understand the research landscape surrounding electric vehicle (EV) adoption.Through bibliometric analysis, explores critical questions related EV adoption trends, leading countries and universities, subject areas of interest, potential gaps.The utilizes data from Scopus database, covering period 2017 2023, resulting in 181 publications.The findings reveal a positive trend research, reflecting growing interest sustainable transportation solutions.The...

In facing the dynamics of an ever-changing strategic environment, Indonesian National Army (TNI AD) is required to ensure effective and adaptive recruitment policies continue meet needs qualified personnel suit increasingly complex tasks. This review provides insight into need for continuity in evaluation changes policies. research aims analyze examine effect Suitability Recruitment, Consistency The results are as follows: Recruitment has no positive on Credibility Recruitment. contrast,...

One problem faced by active workers is limited seating facilities especially in public transportation where they have to stand as are carrying out their activities for long periods of time. In industry, the work area makes it impossible operators use seats, so when operating machine. This study aims design a chairless chair utilizing local components that cheap and easy obtain market. The product uses VDI 2221 method, while analysis strength structure Autodesk Inventor 2017 software. this...

Measuring the performance of business processes is already a main concern for both faculty and enterprise players, since organizations are motivated to reach productivity stage. Employing achievement framework relationship between incubator success factors will guarantee connection with commercial schemes, which support high level indicators in successful models. This research employs quantitative approach, data analyzed using IBM SPSS version 23 Smart PLS 3 statistical software packages....

This study aims to produce and investigate the potential of biodegradable Polylactic Acid (PLA)-based composites mixed with chitosan Turmeric Essential Oil (TEO) as an anti-microbial biomaterial. PLA has good barrier properties for moisture, so it is suitable use a raw material making packaging included in GRAS (Generally Recognized As Safe). Chitosan non-toxic antibacterial cationic polysaccharide that needs be improved its ability fight microbes. TEO must added increase due large number...

The investigation of hybrid, woven, natural fiber-reinforced polymer composites as a substitute reinforcement for fiber has recently caught the interest academics, industry, and researchers. Woven, have been implemented in many different applications, including parts automobiles, household items, flooring, aerospace, ballistic materials. Therefore, this research seeks to establish thermal mechanical characteristics made from rattan strips (RS) glass (GF)-reinforced epoxy resin (ER). Other...

OPINION article Front. Psychol., 09 May 2022Sec. Organizational Psychology https://doi.org/10.3389/fpsyg.2022.895361

Chitosan has been broadly utilized in bone scaffold production because of its antibacterial qualities, low toxicity, biodegradability, biocompatibility, and ability to aid regeneration processes wound healing. In this work, chitosan was produced from crab shell waste through demineralization, deproteination, deacetylation, utilizing HCl 1:7 (v/v), NaOH 3%, 1:10 (v/w), 50%. The aim study is examine the deacetylation temperature’s impact towards crystallinity index, chemical bond, degree...

A university's reputation is an important factor in winning the competition and ensuring sustainability. The built by a university must be about its vision mission. Reputation needs to managed professionally organization namely quality public relations as spearhead delivering communicating information all stakeholders. This research aims formulate how manage of higher education increasing role relations. method used descriptive analysis that combines surveys through questionnaires in-depth...

Indonesia is one of countries with the potential for abundant natural resources, especially fibers. The Indonesian fibers not fully put to good use increase social welfare. One that have be developed banana fiber. Banana fiber has in abundance and can as a biocomposite material strong, inexpensive, environmentally friendly, recycled. This study aims produce tensile strength Fiber Reinforced Epoxy Composite Materials (BFRECM). Testing refers ASTM D 3039 / D3039M. Based on research results,...

Brake friction materials (BFMs) have a critical role in ensuring the safety as well reliability of automotive braking systems. However, traditional BFMs, typically made from asbestos, are associated with environmental and health concerns. Therefore, this results growing interest developing alternative BFMs that eco-friendly, sustainable, cost-effective. This study investigates effect varying concentrations epoxy, rice husk, alumina (Al2O3), iron oxide (Fe2O3) on mechanical thermal properties...

Pineapple leaf fibre (PALF) is one of the natural fibres with highest tensile strength and cellulose content. This has led to investigation application short, long, random mats, unidirectional types as reinforcement agents, but there limited study on usage woven PALF in composites. Therefore, this aims investigate potential reinforcing epoxy resin (ER) composite well effect layering numbers orientations mechanical properties product. involved using hand lay-up press moulding a hydraulic...

The use of composite materials in brake pads is becoming increasingly popular due to their high-performance characteristics, including good thermal stability, high wear resistance, and low noise generation. However, the development new that offer even better performance still an ongoing research area. In this study, was made by hand layup method using epoxy resin as matrix material, with rice husk, Al2O3, Fe2O3 reinforcing materials. composition composites varied changing percentage...

Abstract Creating environmentally friendly materials like polymer matrix composites (PMCs) enhanced with natural fillers has grown in recent decades. It supports the United Nations sustainable development goals (SDGs) by reducing reliance on non‐renewable resources, minimizing waste generation, and promoting land water management practices. This investigation assesses viability of employing Elaeocarpus ganitrus (rudraksha) seeds as a filler (rudraksha seed [RSF] composite materials. Various...