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This issue of the RECENT journal was edited with the support of: ContentsTechnical Textiles Market Research and Added Value Analysis: A Regio-Global Case Study
RECENT J. (2023), 71:162-180 https://doi.org/10.31926/RECENT.2023.71.162 Abstract High-value-added products such as technical textiles are increasingly in demand in global markets. In the last decade, many countries have transformed their production processes towards producing these products, aiming to become more competitive in the international arena in terms of economy. This study aims to reveal the current situation of the textile industry and its transition to higher value-added technical textiles in Türkiye, particularly in Bursa, as one of the textile hubs. Current global trade volumes of products, import-export data, and Türkiye's position in this sector are analyzed. Additionally, technology and market trends for technical textile products are discussed. The number of global exports in technical textiles increased to approximately 118 billion dollars, increasing by 3.38% compared to the previous year. Türkiye's exports in 2021 were realized as 2,413 billion dollars, a decrease of -12.91% compared to the previous year. Calculating the Grubel-Lloyd Index in Türkiye's technical textile product groups revealed that the intra-industry trade is two-way, except for a few product groups. The average index value for all technical textile products was calculated as 0.7968. Technical textiles are classified into 12 subcategories according to their application areas. It is anticipated that by 2028, the most significant trade items will be in the Mobiltech, Indutech, and Packtech subcategories of technical textiles. Keywords technical textiles, market analysis, high-value-added, Grubel-Lloyd index, Bursa The Influence of the Manufacturing Process on the Average Grain Size Behaviour of the 6063-Aluminum Core Alloy Clad With 4004 Alloy, O Temper
RECENT J. (2023), 71:181-187 https://doi.org/10.31926/RECENT.2023.71.181 Abstract This paper aimed to evaluate the influence of manufacturing process of AA6063 core cladded with AA4004 on average grain size behaviour. Therefore, multiple experimental trials were conducted to investigate the effects of the homogenization soaking time of the AA6063 slabs and the final annealing soaking time on the grain size of the obtained clad coils. A correlation between the average grain size and these variables of the production process was established, indicating that specific material properties can be achieved by manipulating certain process parameters during the manufacturing process of the AA6063 core cladded with AA4004, O temper. Keywords AA6063 core, AA4004 clad, soaking time, average grain size
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