Alternative material must replace cfrp witH almost similar properties such as being lightweight, strong, durable, oxidation resistance etc
There are a number of differnt carbon fibres available which vary in properties and hence in price. Application is also key - this will affect the processing route to reach your end goal. It's also worth thinking about use phase vs End-of-Life issues - cfrp is notoriously difficult to deal with, so will the savings you make during its lifetime outweigh these? Context is important.
Carbon fiber should be in composite form as if CFRP (carbon fiber reinforced plastic).
Glass fiber could be an alternative to CFRP but would not perform as good as CFRP but way cheaper. So it really depends on for what purpose you gonna use and what performances you aiming to achieve to decide which one to use.
Basalt fiber could be another option with a way better performance and price compare to glass fiber but prices go up compared to glass fiber and just opposite compare to carbon fiber!
So unfortunately not possible to kill three birds with one stone.
P.S. sorry for late response just noticed your message.
Maybe to obtain a good overview and precisely define your demands, you can use Cambridge Engineering Selector (CES)- if you have access to it. It contains a huge database of various materials from different groups/ sub-groups and you can plot all those characteristics that you mentioned, also including the price, as diagrams. From plot to plot you can exlude more and more materials, and in the end, there should be 2 or 3 candidates left that fit your wishes best.
Aramid or Kevlar is another material. You can even think of some bio materials
There are a number of differnt carbon fibres available which vary in properties and hence in price. Application is also key - this will affect the processing route to reach your end goal. It's also worth thinking about use phase vs End-of-Life issues - cfrp is notoriously difficult to deal with, so will the savings you make during its lifetime outweigh these? Context is important.
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