4.1 Noem TWEE eienskappe van ELK van die volgende strukture van staal:
4.1.1 Semientiet
4.1.2 Ferriet
4.2 FIGUUR 4.2 hieronder is 'n diagram wat die verhittingsproses van koolstofstaal toon - NSC Mechanical Technology Fitting and Machining - Question 4 - 2017 - Paper 1
Question 4
4.1 Noem TWEE eienskappe van ELK van die volgende strukture van staal:
4.1.1 Semientiet
4.1.2 Ferriet
4.2 FIGUUR 4.2 hieronder is 'n diagram wat die verhittingspr... show full transcript
Worked Solution & Example Answer:4.1 Noem TWEE eienskappe van ELK van die volgende strukture van staal:
4.1.1 Semientiet
4.1.2 Ferriet
4.2 FIGUUR 4.2 hieronder is 'n diagram wat die verhittingsproses van koolstofstaal toon - NSC Mechanical Technology Fitting and Machining - Question 4 - 2017 - Paper 1
Step 1
4.1.1 Semientiet
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Answer
Die eienskappe van semientiet is dat dit hard en bros is.
Step 2
4.1.2 Ferriet
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Answer
Die eienskappe van ferriet is sag en smeebaar.
Step 3
4.2.1 Identifiseer die diagram wat in FIGUUR 4.2 getoon word.
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Answer
Die diagram in FIGUUR 4.2 is 'n ysterkoolstof -ekwilibriumdiagram.
Step 4
4.2.2 Benoen A–E.
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Answer
A = Ferriet en perliet
B = Perliet en semientiet
C = Ferriet en austeniet
D = Austeniet en semientiet
E = Ousteniet
Step 5
4.2.3 Wat is die laer kritieke temperatuur vir staal met koolstofinhoud van 0,83%?
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Answer
Die laer kritieke temperatuur vir staal met 'n koolstofinhoud van 0,83% is tussen 700 - 800 °C.
