91视频H污污

2024-06-04

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91视频H污污

????? ?????? ??? (UTS) ?????? ????? ????. ?????? ?????? ???????????? ?????? ?????? ????????? ????????? ???????? ??????? ????????. ????????? ?????? ??????? thermoplasic elastomers ???????? ???????? ????????, ?????????? ????, ????? ?????.

?????????: ?????? ?????????? ??? ???????????? ???? ?????????? ????????????? ??? ????????????, ??????, ????? ????, ?????, ?????? ????????? ????????? ??????????.
???? ????? ????:

????? ???? ??? ????????? ???????????????????. ???????, ????? ??? ????? ?????? ???????? ???????????????, ???? ????? ??? ??????? ???????? ??? tensometer ?????? ?????????. ?????? ?????????? ??? ???????.
?????? ?????? ?????? ?????:

???????? ???? - ??? ?????? ???????? ?????????? ???????? ???????? ????????. ??? ?????????? ??????????????? ?????? ????. ???? ???? 0.2{65978042ddab827e24d1208ef74 ?????. 0965169b89304a6a90a044c13af4b9daa7701}

????? ???? - ?????? ??????? ???????? ????? ????????.
?????????? ???? - ???????? ??????? ???????????? ???????? ???????????????.
??? ???????? ????? (ASTM D412-98a) ?????? ????? ????????? ????? ?????????? ?????????????????????, ??? ????????? ??? ????????? ????????????????:
????? ???? A:

??????? ??????? ???? ????? ????????? - ???????? ??????????? ???????? ????????????????. 3 ????? (0.05 ????????
???????? ???? B:

?????? ????? ??????????? - ??????????? ?????? ?????????????????? ???????? ?????????? ????? ???????????????????. ?????? ???????????????? ???????????, ASTM ????????????? ????????????????????.
?????????? ?????

??? ??????????? TS ??????????:
TS = F(BE) / A)

?????: 2)

F (BE) = ???????? ????, MN (lbf)

A = ??????????????? ??????, ???2 (in. 2).

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