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AQA 2023 A-level DESIGN AND TECHNOLOGY: PRODUCT DESIGN 7552 Paper 1 & 2 Question Papers & Mark schemes
AQA 2023 A-level DESIGN AND TECHNOLOGY: PRODUCT DESIGN 7552 Paper 1 & 2 Question Papers & Mark schemes Work hardening - ANSWERSForms metals at colder temperatures to improve hardness and tensile strength and is reversed by annealing Annealing - ANSWERSUses heat to make metals easier to work with by heating metal then cooling slowly case hardening - ANSWERSHardening of the outer surface (or case) of a steel component by a carburizing then dipping in carbon powder then heated hardening - ...
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AQA 2023 A-level DESIGN AND TECHNOLOGY: PRODUCT DESIGN 7552 Paper 1 & 2 Question Papers & Mark schemes Work hardening - ANSWERSForms metals at colder temperatures to improve hardness and tensile strength and is reversed by annealing Annealing - ANSWERSUses heat to make metals easier to work with by heating metal then cooling slowly case hardening - ANSWERSHardening of the outer surface (or case) of a steel component by a carburizing then dipping in carbon powder then heated hardening - ...