it is nothing but time temperature and transformation diagram.........
TTT Riga was created in 1958.
ttt
For new construction, mine are: Switches; and basement; garage; utility; refer; freezer; & kitchen counter receptacles: 48" TTT Bath receptacles: 44" TTT Wahser; dryer; & gas range receptacles: 36" TTT Most general use receptalces: 16" TTT Furnace kill switch; thermostats: 60" TTT TTT= To The Top
Sadly no........................ TTT^TTT
As Per TTT diagram, the time interval between Y-axis of temperature to the nose of curve is Incubation period of TTT diagram. Incubation period increases with inncreasing Carbon content but upto 0.8% but the it decreses(In Fe-Fe3C Phase diagram. the curve(A3) between Austenite and Aust-Ferrite transformation at 727 degree decreases means stability of Aust. will increase but then after with increasing carbon the curve(Acm) rises up so Aust. Solubility decreases.). Austenitic Stabilizers increase Incubation period.
To harden a steel, it is heated to the austenitic region and then quenched to martensite. The rate at which the steel is quenched must be rapid enough to form martensite and not other microstructures (namely bainite, pearlite, or ferrite), which are not as hard. The cooling rate is a function of composition. Adding alloying elements to steel maintains hardenability at slower cooling rates, essentially shifting the TTT diagram. TTT diagram for steel in link below.
14 is the answer
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No, TTT is not an example of a homozygous recessive genotype. In genetics, a homozygous recessive genotype would have two copies of the same recessive allele, such as tt. TTT would indicate a homozygous dominant genotype.
A bill of materials is a list of materials and components used in a manufactured item, which are sometimes appended to an engineering diagram of the item.