Composite materialA composite material (also called a composition material or shortened to composite, which is the common name) is a material which is produced from two or more constituent materials. These constituent materials have notably dissimilar chemical or physical properties and are merged to create a material with properties unlike the individual elements. Within the finished structure, the individual elements remain separate and distinct, distinguishing composites from mixtures and solid solutions.
FractureFracture is the separation of an object or material into two or more pieces under the action of stress. The fracture of a solid usually occurs due to the development of certain displacement discontinuity surfaces within the solid. If a displacement develops perpendicular to the surface, it is called a normal tensile crack or simply a crack; if a displacement develops tangentially, it is called a shear crack, slip band or dislocation. Brittle fractures occur without any apparent deformation before fracture.
KolkataKolkata (UKkɒlˈkɑːtə or kɒlˈkʌtə, USkoʊlˈkɑːtɑː, kolˈkata; also known as Calcutta kælˈkʌtə which was the official name until 2001) is the capital and largest city of the Indian state of West Bengal. It lies on the eastern bank of the Hooghly River, west of the border with Bangladesh. It is the financial center of eastern and northeastern India. According to the 2011 Indian census, Kolkata is the seventh-most populous city in India, with a population of 4.5 million residents within its city proper.
West BengalWest Bengal (bɛnˈɡɔːl, Bengali: Poshchim Bongo, ˈpoʃtʃim ˈbɔŋɡo, abbr. WB) is a state in the eastern portion of India. It is situated along the Bay of Bengal, along with a population of over 91 million inhabitants within an area of as of 2011. The population estimate as of 2023 is 102,552,787. West Bengal is the fourth-most populous and thirteenth-largest state by area in India, as well as the eighth-most populous country subdivision of the world.
