This book presents the proceedings of the 4th International Symposium on Materials and Sustainable Development ISMSD2019 (CIMDD2019), will include a 3-day Conference (12 - 14 November). Organized by the Research Unit: Materials, Processes and Environment and M'hamed Bougara University  of Boumerdes (Algeria) in partnership with University of Reims - Champagne-Ardenne (France), this symposium follows the success of CIMDD 2013-2015-2017 and continues the traditions of the highly successful series of International Conferences on the materials, processes and Environment. The Symposium will provide a unique topical forum to share the latest results of the materials and sustainable development research in Algeria and worldwide.

1. Numerical simulation of cds-free cigs solar cells
2. Treatment of hassi r'mel oil discharge by an agro-food-waste
3. Cattle manure characterization for the optimization of biogas production and its energetic valorization in an agricultural exploitation
4. Influence of treatment of date palm fibers on the mechanical properties of fiber concrete
5. Analyses of the micromechanics of stress transfer in single fiber pull-out tests
6. Effect of reinforcement shear and buckles defects on the low velocity impact behavior of a composite
7. Biosurfactants production from newly isolated aspergillus sp. Fs11 using agro-industrial wastes.
8. Sustainable management of renewable energy potential in the naã‚ma region
9. Physical and mechanical properties of concrete containing pvc waste as aggregate
10. Impact of the nature of fibers on the physico-mechanical behavior and durability of cement matrices
11. Statistical analysis of the tensile properties of fiber strand and vascular bundle extracted from date palm rachis
12. Modeling and simulation of conductance–voltage characteristics of a nitride gaas schottky diode
13. Compliance with rpa of an old building
14. Elimination of malachite green on granular activated carbon prepared from olive stones in discontinuous and continuous modes
15. Influences de la propagation d'une fissure sur les frã©quences modales des aubes de la turbine
16. Behavior of concrete using coal waste (heap) in hot weather
17. Cosotia project: decision support for the choice of concentrated solar technologies for electricity generation
18. Study of physico-mechanical characteristics of concrete made with recycled gravel and prepared sand
19. Effect of initial suction on the hydraulic conductivity of an algerian waste landfill lining
20. Influence of thermally dilated graphite on the differential calorimetric of the fluoroplastique
21. Study of the mechanical properties of a reactive powder concrete containing fibers
22. Use of the stochastic finite element method for linear elasticity problems
23. Statistical analysis of the tensile properties of fiber strand and vascular bundle extracted from date palm rachis
24. Study of the mechanical strength of a composite carbon/perlon/epoxy used in the manufacture of orthopedic prosthesis.
25. Effect of different anodizing bath on improving the corrosion resistance of a 2024 aluminum alloy
26. Influence of leachate pollution on hydromechanical properties of sandy soils-bentonite mixture
27. A review of phase change materials used to improve thermal comfort in buildings
28. Effect of water and temperature on the rheological behavior of crude oil
29. Metal-organic framworks (mofs): advanced technology of architechitectural instability against moisture
30. Physicochemical and foaming properties of crude acid whey treated by ultrafiltration
31. The mechanical proprieties study of ti-n on machines steel substrates
32. Maintenance of 3d printer for material optimization