Menene hanyar lissafin lissafin filastik tubali masu ratsa jiki?

Hanyar da za a iya ƙididdige ma’anar robobi na tubalin da ke jujjuyawa shine a sarrafa yawan laka zuwa wani yanki mai diamita na 45mm, sanya shi a cikin injin filastik, a danne shi da nauyi har sai an fara tsagewa. Ma’anar filastik na tubali mai jujjuyawa shine matakin nakasar ƙwallon laka a ƙarƙashin aikin ƙarfin waje, wato, samfurin damuwa da damuwa. Tsarin lissafin shine kamar haka:

Fihirisar Plasticity S=(d -b)G

d——Ainihin diamita na ƙwallon laka, cm;

b——Tsawon ƙwallon laka bayan an matsa shi da nauyi, cm;

G——Lokacin da aka matse ƙwallon laka kuma tsaga na farko ya bayyana, kg.