Thin Layer Activation (TLA) technique for wear measurement
Al |
Fe |
Zn |
natPd(p,x)105Ag |
W |
|||||
|
natZn(d,x)65Zn |
Ag |
natW(d,x)183Re | ||||||
Ti |
natFe(a,x)58Co |
Y |
Cd |
Re |
|||||
|
Ni |
Zr |
In |
Os |
|||||
Sn |
natSn(p,x)124gSb |
Ir |
|||||||
Co |
Nb |
Sb |
Pt |
||||||
V |
59Co(p,x)58Co |
Te |
natPt(d,x)196Au | ||||||
natV(d,x)51Cr |
Cu |
Mo |
Yb |
natPt(p,x)196Au | |||||
Cr |
|
natCu(d,x)65Zn | natMo(d,x)96Tc | natYb(d,x)175Yb |
Au |
||||
Rh |
|
Tl |
|||||||
Mn |
natCu(a,x)67Ga |
Pd |
Ta |
Pb |
The TLA technique is an effective and precise on-line remote monitoring methods of wear, corrosion and erosion processes of critical parts in machines under real operating conditions. This work provides help on planning TLA investigations by giving examples for activity depth profiles calculated by using evaluated cross section data for 55 selected charged particle induced nuclear reactions on 32 elements. A calculation tool, TLA2L, was developed to help planning irradiations for TLA applications and determining wear of friction surfaces from measured activity differences. The calculation tool TLA2L is created in Excel and can be used in MS Excel XP or higher versions. It can be downloaded in compressed form here (tla2l.rar, 2.8 MB). Description and quick user help is available in the documentation series of IAEA, IAEA-NDS-xxx (PDF, xxx kB). Developed in 2010, January by S. Takacs, Atomki, Debrecen, Hungary. |