. Transactions. on. a-- n 3 .y S*^ X jr . V / ) 7 / Lege id! 0=r-l = Tungsten swaged and drawuhot aSOo-liWo) from .10jto .025X=T-4 =Tuugstea 1000Cfrom .012to .025r56^ Reduction) / w 5 / , I! 1 1 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 Absolute Temperature Fig. 60.^Reduction of area of tungsten wires at various temperatures 125 000 100 000 0 \ Note: Tensile Strength increases aa grain size decreases and as. rate o£application of load increases. lu liquid air the large grain size seemsto be strongest. ^ ^ ^ _/ ^ k \ V. 2 Im ao <^^^»*.^ B ^ 3X 1—D. S 50 000 25 000 0 100 2
. Transactions. on. a-- n 3 .y S*^ X jr . V / ) 7 / Lege id! 0=r-l = Tungsten swaged and drawuhot aSOo-liWo) from .10jto .025X=T-4 =Tuugstea 1000Cfrom .012to .025r56^ Reduction) / w 5 / , I! 1 1 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 Absolute Temperature Fig. 60.^Reduction of area of tungsten wires at various temperatures 125 000 100 000 0 \ Note: Tensile Strength increases aa grain size decreases and as. rate o£application of load increases. lu liquid air the large grain size seemsto be strongest. ^ ^ ^ _/ ^ k \ V. 2 Im ao <^^^»*.^ B ^ 3X 1—D. S 50 000 25 000 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 Absolute Temperature Fig. 61.—Tensile strength of annealed Armco iron at various temperatures WITH variation IN GRAIN SIZE AND R.\TE OF APPLICATION OF LOAD. As the temperature is lowered below the freezing point, the cohesionof the amorphous phase increases at a faster rate than that of the crys- 524 EFFECT OF TEMPERATURE, ETC. ON PROPERTIES OF METALS. 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 .1300 1400 Absolute Temperature Fig. 62.—Per cext. elongation op annealed Armco iron wires ix. diam. WITH A.\RIATION IN GRAIN SIZE AND RATE OF LOADING.
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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries
