Enhancement and Implementation of Developed Polypropylene Macrosynthetic Fiber for the Improvement of Reinforced Concrete Properties | Chapter 6 | Scientific Research, New Technologies and Applications Vol. 8

This research work describes the results of collaborative research between a research institution in Kuwait and an industry partner to produce Polypropylene macro synthetic fibers (PMSF), the first of its kind in Kuwait and the Arabic Gulf area. Polypropylene macro synthetic fibers used for reinforcement in concrete result in longer concrete service life due to better crack control and corrosion resistance, making these fibers an excellent alternative to conventional steel reinforcement for slab-on-grade construction. This research study aimed to determine the optimal dosage of PMSF within a concrete mix and to evaluate the effect of their inclusion on the mix properties of concrete. Different percentages of the selected fiber were included in the preparation of concrete mixes. The developed fibers satisfied the requirements for qualifying and using fibers in fiber-reinforced concrete. It was concluded that PMSF at a dosage of 6% showed a maximum advantage in terms of post-crack performance. Therefore, the developed fibers satisfied the requirements for qualifying and using fibers in fiber-reinforced concrete. 

 

Author (s) Details

Salah Al-Enezi
Petrochemical and Materila Technology Program (PMTP), Petroleum Research Center (PRC), Kuwait Institute for Scientific Research, P.O. Box 24885, Safat 13109, Kuwait.

 

Please see the book here:- https://doi.org/10.9734/bpi/srnta/v8/3040

Corrosion Resistance of Mo Capillary Porous Systems (CPSs) in High Temperature Liquid Sn through High-flux Hydrogen Plasmas Irradiated | Chapter 1 | Current Innovations in Chemical and Materials Sciences Vol. 2

 In this study, the disintegration resistance of Mo blood vessel porous systems (CPSs) in extreme heat liquid Sn was examined concerning hydrogen plasma radiation. Capillary-Pore Systems (CPS) filled by liquid metals are deliberate as an alternative solution of matters choice for plasma folds component of tokamak reactor. Initial Mo CPSs demonstrated a significant study of plants change and mass loss rate (1.107 × 10–3 mg/(mm2•h)) subsequently corrosion in liquid Sn at 1,023 K for 100 h. A brief ending of irradiation reinforced the corrosion resistance of Mo wires, developing in a dramatic decrease to 1.23 × 10–4 mg/(mm2•h) all at once loss rate under the alike corrosion environments. To determine whether hotness was the main factor superior to above phenomenon, Mo CPSs were pre-annealed at the alike temperature (843 K) as luminescence from sun or other source. The mass loss rate of annealed Mo CPSs (3.09 × 10–4 mg/(mm2•h)), that was lower than that of the primary sample, was still higher than that of the body tissue-treated samples. Difference middle from two points plasma irradiation and heat situation was the incident of differing particles in hydrogen body tissue. Therefore, the suppressed corrosion wonder caused by skin could not only be assign to the function of high temperature but allure synergistic effect with hydrogen isotope memory.

Author(s) Details:

Hengxin Guo,
Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, China.

Zongbiao Ye,
Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, China.

Li Yang,
Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, China.

Yingwei Gao,
Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, China.

Jianxing Liu,
Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, China.

Wenna Jing,
Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, China.

Jianjun Wei,
Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610064, China.

Shuwei Chen,
College of Physics, Sichuan University, Chengdu 610064, China.

Bo Chen,
Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, China.

 

Jianjun Chen,
Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, China.

 

Hongbin Wang,
Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, China.

 

Fujun Gou,
Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, China.

Please see the link here: https://stm.bookpi.org/CICMS-V2/article/view/12323

Experimental Study and Examination of Coated, Uncoated, and Cryogenically Treated HSS Cutting Tools

 High-speed gird (HSS) tools are the most usually used tools in limited and medium-scale industry.  This study report presents judgments from an experimental evaluation of tungsten carbide-stained, shallowly cryogenically treated, thoroughly cryogenically acted, and untreated HSS tools.  High-speed brace is utilized cause it is more affordable than other hateful tools while yet providing good dependability and quality. To ensure the finish's dependability, it is crucial to further reinforce its facilities. The best course of action is to form something harder. Various heat treatment and cold situation procedures are employed to increase extreme hardness and good wear fighting. Cryogenic treatment is one aforementioned widely utilized and efficient situation method. For high-speed gird, it gives significantly greater wear opposition and hardness. To decide the hardness and corrosion fighting, experiments were run. To determine the specimen's microstructure, microstructure reasoning is carried out. The machining earlier calculated earlier turning was completed. Calculations were created for tool life, MRR, and wear capacity. Tools that have been tungsten carbide coated, endanger shallow cryogenic treatment, deep cryogenic situation, and left not cooked are compared.

Author(s) Details:

Davronov Shokhjakhon,
Department of Software Engineering, Karshi Branch of the Tashkent University of Information Technologies Named after Muhammad al-Khwarizmi, Karshi, Uzbekistan.

P. Raja,
Department of Mechanical Engineering, Prathyusha Engineering College, Chennai, India.

M. Sakthivel,
Department of Mechanical Engineering, Adiyamaan College of Engineering, Hosur, India.

Please see the link here: https://stm.bookpi.org/RADER-V4/article/view/10750

Keywords: HSS Tool, hardness, microstructure, corrosion resistance, machining time, tool life, MRR, volume of wear