ConMon

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ADVANCED IN-SITU/ REAL TIME ON GROUND CONTAMINATION MONITORING, PHASE1

Project Funding:
ESA
Project Coordination:
AAC, Austria
Project Partners:
AC2T
Duration:
24 months

Under vacuum outgass­ing is an effect related to fluids (greases) and poly­meric mater­i­als includ­ing glues, adhes­ives, paints). The miss­ing air pres­sure enables embed­ded solvents etc. to be released into space. This endangers other parts of the space­craft, as those species may condens on them, e.g. on lenses of cameras.

The ConMon Project aims at devel­op­ment of an in-situ-monit­or­ing method that enables to identify the chem­ical nature of such condensed layers. After an analysis the most prom­ising method will be selec­ted for setting up a proto­type. AAC will use its subli­m­ai­otn device for this devel­op­ment. This is similar to a VBQC-system, enabling to produce defined contam­in­a­tion using typical space mater­i­als. Mass spec­tro­meter is used to identify the outgass­ing species. A QCM will be used to determ­ine quant­it­at­ively the condensed mass. Finally, the new method shall in addi­tion to the QCM also state the compositon of the condensed mass. Ex-situ analysis to veri­fiy the find­ings on the test surface, will be done by XPS of AC2T.