DEVELOPMENT OF A COMPOSITE TECHNIQUE FOR PRECONDITIONING OF 41CR4 STEEL USED AS GEAR MATERIAL: EXAMINATION OF ITS MICROSTRUCTURAL CHARACTERISTICS AND PROPERTIES

Commercial 41Cr4 (ISO standard) steel was treated by a composite technique.An intermediate layer was introduced firstly at the 41Cr4 steel surface by traditional carburizing and nitriding.Then a hard Cr coating was brush-plated on Fabric Bolt the intermediate layer.Finally, the coating layer was modified by high current pulsed electron beam (HCPEB)

ABSTRAK Dunia pariwisata tidak bisa dipisahkan dengan dunia perhotelan, karena hotel merupakan suatu industri yang berperan penting dalam perkembangan ekonomi pariwisata, dalam dunia perhotelan salah satu departemen yang memiliki peran penting adalah F&B Product, salah satunya Pastry And Bakery Section yang menyajikan berbagai makanan penutup yang

The study aims to analyze the complex process that has invested the Italian religious buildings, after the post-unification period, bending them to new uses not always compatible with the characters and with the sacredness of the places.In the Acne Treatments case submitted to analysis, the phenomenon of the old convents re-use, although developed

The paper aims to analyze the new realities and trends related to the new polarity of the global economy, and thus the reconfiguration of global power centers, a process characterized by two simultaneous trends: the rise of new powers and the relative decline of traditional powers.At the beginning of 21st century, global power is suffering two majo