Material requirements planning

The SLS process uses powder materials to produce 3D solid parts from CAD file. After the CAD data is uploaded to machine computer in the Stereo lithography file format, the process of sintering starts. From figure 1, it can be observed that SLS system contains three chambers. There are…

shows the chip shapes formed during the milling of the MMCs. The composite chips had large radii, and were semi-circular helical type and saw-toothed. The SiC foam reinforcement in the Al matrix diminished the ductility and converted the workpiece material for generating saw-toothed and segmented-type…

Kitty Hach – Darrow was a mother. Chemical entrepreneur marketing trailblazer and pilot. She started college at Iowa state university to become a home economics teacher but was inspired by a chemist in the department who lead many young women into chemical profession. Another influence in to her chemical profession was her soon to be husband Cliff Hach. Water purifying has come a long way since Kitty’s discovery; we now have water filters and plants that filter water for us. Also we have…

A concrete patio or entryway is a standard on most homes in Texas. Owners don’t typically even acknowledge that they can transform this feature of their home although it’s typically the first thing a visitor sees. A concrete overlay is a cost efficient way to add style and a modern touch to the front of a home to boost its curb appeal. A concrete overlay is an ideal way to transform any concrete feature that needs a little style. A front porch or entryway is typically just plain concrete with a…

Question 8 Under the heading of offences involving criminal negligence, and section 220 stating that, “every person who by criminal negligence causes death to another person is guilty of an indictable offence and liable”, the case of F.J. (2008) set how the section should be applied. In the case, the accused failed to act and prove the necessaires of life to this foster son by not protecting him from the abuse the son suffered from the spouse; nevertheless, the accused was acquitted of charges.…

bitter memories of the poverty his family endured when he was a young boy. He invented the explosive dynamite, which is widely used in mining, quarrying, construction and warfare. Dynamite which is produced using nitroglycerin and some other absorbent material is unstable and dangerous to manufacture. He also invented the explosives gelignite and ballistite. He laid the foundation for the formation of the Nobel Prizes by leaving a vast portion of his wealth for the establishment of an…

used quite frequently in a variety of construction applications. Not only was the material found to be durable and versatile, it was also a very cost-effective solution, and so its use was quite prolific in the installation of insulation, floors, ceilings, etc. Today we know that asbestos poses a very serious health concern, and so it is no longer used in modern day construction applications. Unfortunately, this material continues to exist in many of older structures found all throughout…

A Few Options To Consider When Buying A New Asphalt Shingle Roof When it's time to put a new roof on your home, you'll likely go with asphalt shingles, especially if you currently have asphalt now. That's because this roofing material is less expensive and therefore more popular than other types of roofing. If you take a look around your neighborhood, your likely to see most of the homes have asphalt shingles no matter what climate you live in. However, just because you choose asphalt, it…

Graph 3.1 shows the rate of heat transfer due to ventilation, through the window, door and wall over a period of 7 days. The total rate of heat transfer for all components are also plotted in the graph. The rate of heat loss fluctuated with respect to time for all components and recorded maximum and minimum rates at similar times. The rate of heat transfer through the door is not only the highest in values but also in variation in temperatures. A more detailed representation of the data…

When getting ready to replace your home’s old fiberglass insulation in the attic, you’ll need to take the necessary steps to remove the old material. This is essentially if you are adding spray foam insulation, which will need to get into every crevice of the attic to form a good seal. These tips will help you remove the old fiberglass insulation. Tools & Materials Before you can get started, you will need to gather the following items. • Large contractor trash bags • Tape • Claw hammer •…