Atkinson Reaction Lab

Sandpaper was used to remove impurities from the magnesium strips, resulting in a grey strip, with a bit of metallic lustre. The strip of magnesium received was extremely malleable and was easily cut into 1 cm strips and folded into a tiny ball.

Materials:Magnesium stripCrucibleCrucible coverClay triangleIron ringRetort standTongsBalanceBunsen burnerProcedure:1.obtained a strip of magnesium between 30-40 cm long2.coiled magnesium strip into a tight roll3.measured the mass of the crucible and cover4.Added the magnesium strip to the crucible and measured the

From this table it can be proved that the percentage composition for magnesium and oxygen is relatively similar for every single Magnesium oxide reactions. My classmates had difference of 2%-5% in their results.

Ceramics Engineering-- the industry that Materials Technology Corporation, or "MTC" is a part of-- is a multi-billion dollar a year industry. Because ceramics can be manufactured to have unique combinations of strength, weight, thermal and magnetic conductivity, and deformability, they have countless uses in industries such as aerospace, biomedical, automotive, and electrical. With an unlimited number of such combinations, it is possible to create a material that exactly suits a given situation.

Magnesium ribbon was reacted with Hydrochloric acid in three different experiments to determine the charge on a metal ion. After running multiple tests in the three different procedures, the Crystallization method proved to be the best method for determining the charge of the metal ion by using mole to mole ratio.

Answer: Mg2+ has 10 electrons. A Magnesium atom has 12 electrons, 2 of which are valence electrons. The atom will lose the 2 outermost electrons in order to stabilize its electron shell. The nucleus maintains its 12 protons and becomes a Mg2+ ion.

Because it is dangerous to burn magnesium, it is not possible to directly record heat change. Our lab team suggests an indirect way of determining the heat of combustion for magnesium. To accomplish this, we need to perform two separate trials. One uses a solid (powder) version of MgO, while the other uses Mg ribbon. With the results from these, we can use Hess’ Law to determine q=∆H. This provides both a safe and successful way of indirectly determining the heat of combustion for magnesium.

Several attempts have been made to improve the properties of PLA. Researchers have approached surface modifications to enhance the mechanical properties, especially toughness, processability, degradation behaviour and crystallization11. By the use of surface modification techniques different reactive groups such as –COOH, -OH, and –NH2 can be introduced on the surface of PLA. Grafting technique was utilized by Spinella et al.12, to improve the mechanical and barrier properties of the nanocomposites. PLLA based nanocomposites with PMMA modified CNCs showed higher storage modulus

Magnesium influences the membrane potentials of neurons, keeping the resting potential further from threshold, so that the neurons requiring a larger amount of stimuli to send signals from neuron to neuron and result in muscle contractions and extensions. When magnesium is not within the proper range in the body, the resting potential of the neurons remain closer to threshold, so less stimuli is required to move the action potential down the neurons and cause the contraction of muscles. This is a major problem associated with grass tetany (Fentenot et al, 1988).

The microstructure of all three composites prior to thermal shock are exemplified in Figure 7. As can be seen, SiC and Durazon particles have random shapes with sharp edges, whereas ZrO2 bubbles are quasi-spherical. Although cracks can be seen in the matrix, in the inclusion-matrix interface, and sometimes in the inclusions, some of it can be attributed to polishing of the

The Cauchy stress principle is one of the main hypotheses in mechanics of solids. The study of linear and nonlinear wave processes is very important. Elastic waves are high-performance instrument to research strained and deformed state of solids an also to study their structure and properties. Elastic waves can propagate deeply inside the material without disturbing the material state. The elasto-dynamic problem is a challenging predicament to the modern material scientists. In the last twenty years the concept of structural deformation levels obtained the recognition in physics of solids and especially in the science of materials [Panin (1995)]. According to which the concept, each point of a solid body is a complex system of interacting structures of lower level. In the present work elastodynamic problem of in elastic solids and the finite deformation in such materials are studied analytically and investigated the process of wave propagation in the solid.

The DTMI damage reducing mechanisms were discovered through some quantitative investigations. For example, the maximum impact force on a thick polymer system featuring a DTMI was reduced by 60%, and energy absorption was increased by 130%. We plan to conduct systematic basic research to understand the effects of the bonding strength and interface thickness on crack arrest, to explore novel layered material designs for achieving low costs.

HA- Alumina nanocomposite is biocompatible and has desirable mechanical and physical properties. Less cost, simple synthesis

The recent study of metal matrix composite mainly deals with the aluminum based composites with the reinforcement of particulates of silicon carbide and aluminum based composites with the reinforcement of particulates of graphite which will be function as solid lubricant. In this paper, two sets of composites has been prepared. One composite consists of Aluminium with graphite and silicon carbide particles and the other composite consists of Aluminium with alumina and Graphite. The composited has been prepared by stir casting method and both the samples tested for the mechanical properties. The mechanical properties were compared for both the composites and validated. The microstructure of the both composites were examined using Scanning Electron microscope (SEM).

Many engineering applications in the field of aerospace engineering, automobiles, electronic equipment etc. require very light material with good mechanical properties. Titanium based metal matrix composites with carbon nanotube reinforcement can be a solution for such applications. It can satisfy the requirement of light weight with very good strength. This study focuses on preparing titanium metal matrix composites with CNT reinforcements for various compositions for its mechanical properties. Ti alloys have been widely used as structural materials in aeronautical industries due to their attractive comprehensive properties, such as low density, high strength, ductility, toughness and resistance to fatigue.