LINEAR LTC1274CSW
LINEAR LTC1274CSW
LINEAR LTC1274CSW
LINEAR LTC1274CSW多晶體范性形變過程中,各個晶粒在形狀改變的同時也發(fā)生轉(zhuǎn)動。經(jīng)過較大的形變之后,各個晶粒的某一晶體方向逐漸集中到施力軸方向上來,這種狀態(tài)稱為擇優(yōu)取向,得到的組織稱為織構(gòu)。金屬的形變織構(gòu)依照加工方式的差異具有不同的類型,多晶體中有了織構(gòu)之后,其性能在一定程度上表現(xiàn)出各向異性。
滑移過程的機制終歸結(jié)為位錯沿滑移面的運動。在此基礎(chǔ)上可以想象,范性形變所需的力應(yīng)該是用于克服位錯產(chǎn)生、增殖和運動時所遇到的障礙,而形變速度則決定于單位體積中位錯數(shù)量的多少,以及位錯本身的運動速度。由于位錯附近的原子已經(jīng)從點陣的平衡位置移動出來,使位錯前進一個原子間距,所要求原子的移動距離是很小的,而且隨著位錯的運動,在一些原子勢能升高的同時另一些原子勢能降低,總能量變化很小,所以晶體以位錯運動的機制逐步滑移,比無位錯完整晶體作剛性相對滑移所需的力要小得多;在后一種情況下,要經(jīng)歷滑移面上的全部原子同時向高能位置移動的過程。然而,位錯畢竟要克服勢壘才能前進,這種來源于晶體周期性結(jié)構(gòu)的阻力稱為點陣阻力。點陣阻力與原子間結(jié)合鍵的性質(zhì)密切相關(guān)。金屬晶體在范性性質(zhì)上與共價晶體和多數(shù)離子晶體具有顯著差異的根本原因,在于點陣阻力較小。晶體中的各種缺陷如點缺陷、其他位錯、晶粒間界、第二相質(zhì)點等,對位錯的運動也產(chǎn)生阻力。
TEFLON TAPE w/ NICKEL FOR STAINLESS 1/2" X 260" THREAD SEALANT BREWING <038ER22
1/2" X 1/4" 150 316 STAINLESS STEEL REDUCING COUPLING BREWING <569WH
1" NPT Lock Nut Cast 316 Stainless Steel With O-Ring Groove BREWING <LN205GROOVE
SIEMENS HIGH EFFICIENCY MOTOR TYPE RGZP 10 HP 230 VOLTS 3505 RPM <623WH
RECEIVER GAUGE CALIBRATED 3-15 PSI AMETEK MED14952-002 PANEL MOUNT NIB <142A4
REES 2.25" RED MUSHROOM PLUNGER HEAVY DUTY PUSH BUTTON SWITCH 600 VAC NIB <214A4
VICTAULIC BUTTERFLY VALVE 2-1/2" 300 PSI BRASS BODY & STEM GROOVED END <783E3
SWAGELOK SS-16-VCR-3-BL
SIEMENS 3SE03-AM1
SIEMENS CONTACTOR 3RT1016-2BB44-3MA0
WATTS 223 B REGULATOR 3/4" 300 PSI MAX SET AT 50 PSI BRONZE <459V1
SWAGELOK SS-600-8-6
SIEMENS 52SA2CCBA1
KIMRAY EMB2V LOW PRESSURE MOTOR VALVE 112 SMT DA VITON 1" FNPT <654G4
GE 50-254420
COUPLING 3/4" 3000# SOCKET WELD 304L STAINLESS STEEL PIPE FITTING <261WH
SWAGELOK SS-810-3-8-12
SWAGELOK SS-1210-3
PIPE SN273-4
PIPE SN273-3
PIPE SN273-2
PIPE SN272-2
PIPE SN257
PIPE SN243-4
PIPE SN243-3
PIPE SN243-2
PIPE SN242-2
PIPE SN235-3
PIPE SN225-4
PIPE SN225-3
PIPE SN225-2
BLACKMER 150G1
FISHER 475L4
CROUSE 140G1
CROUSE 420L5
CROUSE HINDS RE64 REDUCING BUSHING 2" X 1-1/4" EXPLOSION PROOF <409L5
CROUSE HINDS TB37SA 1" FORM 7 RIGID CONDUIT OUTLET FITTING EXPL PROOF <630I4
CUTLER HAMMER 442ER09
CUTLER HAMMER 444ER09
CUTLER HAMMER C0050E2BFB
QUICK OPENING GATE VALVE BRONZE 1-1/4" NPT 200 WOG LEVER OPERATED <WH613
CROUSE HINDS 669 4" STEEL COMPRESSION COUPLING EMT THIN WALL <507S2
3" WELDLESS THERMOMETER 0-250F CHOOSE STEM LENGTH HOBREWING KETTLE 5_KIT
QUICK OPENING GATE VALVE BRONZE 1-1/2" NPT 200 WOG LEVER OPERATED <WH614
ONE BOLT HOSE CLAMP T BOLT STAINLESS STEEL 44~47mm, 1-23/32"~1-27/32" HC311
ONE BOLT HOSE CLAMP T BOLT STAINLESS STEEL 40~43mm, 1-9/16"~1-11/16" HC310
ONE BOLT HOSE T CLAMP ZINC PLATED 17~19mm, 11/16" ~ 3/4" (qty-10) <HC901x10
ONE BOLT HOSE CLAMP T BOLT ZINC PLATED 17~19mm, 11/16" ~ 3/4" <HC901
ONE BOLT HOSE CLAMP T BOLT ZINC PLATED 20~22mm, 25/32" ~ 7/8" <HC902
ONE BOLT HOSE CLAMP T BOLT ZINC PLATED 29~31mm, 1-5/32" ~ 1-7/32" <HC907
SIEMENS GENERAL DUTY SAFETY SWITCH GF321N 30 AMP 240 VOLTS <642P2








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