"Evaluate the development of superalloys used to make artificial joints. In your answer, refer to the impact of technology on the medical field and society."
Therefore, "How has the improvement of technology impacted the use of superalloys in medicine and society."
For example,
"Superalloys can are commonly comprised of cobalt, iron, and larger amounts of nickel; and are manipulated with the addition of other elements such as titanium, cobalt... etc. The historical development of alloys have been beneficial for the medical field and engineering. Our increased understanding of the compositions of elements, arose in the early 1900's due to the need for materials with strong heat resistance and stress resistance. Superalloys in biomedical devices require a high degree of strength: to low weight ratio; the compatibility of body tissue, i.e. resistance to varying pH's, internal bodily fluids and chemicals; and to withstand the 'wear and tear' of movement.
An example of this can be seen with the development of carbon-fibre reinforced polymers, which further enhances the previous properties. The increased lifetime of the carbon-fibre 'ball and socket' reduces replacement surgery, and therefore reducing the stress on the health care system [blah blah]. Whereas, the increased strength and compatibility further decreases complications arising from older implants [blah blah]."
I realised it was an 'evaluate' question when I finished writing it, but you get the gist. Try to expand more on the impacts it has on the medical field and society. If you do legal, you'd know the evaluation criteria, which you can be used to some extent. Such as, accessibility of the implant, resource efficiency of the hospitals/surgeons, and then blab on about how the improvements allow a greater quality of life/life expectancy for society, health care....
I hope this helped you in time.
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