Associate Prof. Dipl.-Ing. Dr.techn. Helmut RIEDL-TRAGENREIF

Associate Prof. Dipl.-Ing. Dr.techn. Helmut RIEDL-TRAGENREIF has been assigned to the Institute of Materials Science and Technology (E308) at the Faculty of Mechanical and Industrial Engineering as Associate Professor for Surface Engineering of High-Performance Components since August 1, 2025.

His scientific home is the Materials Science Research Unit, specifically the Applied Surface and Coating Technology Research Group (E308-01-2), which he also heads.

Publications by Helmut Riedl-Tragenreif in the Scopus, opens an external URL in a new window database and in ReposiTUm, opens an external URL in a new window.

Associate Prof. Dipl.-Ing. Dr.techn.Helmut Riedl-Tragenreif

Phone: +43 1 58801 30865 Call Helmut Riedl-Tragenreif

Send email to Helmut Riedl-Tragenreif

ORCID iD of Associate Prof. Dipl.-Ing. Dr.techn. Helmut Riedl-Tragenreif , opens an external URL in a new window

Research profile of Associate Prof. Dipl.-Ing. Dr.techn. Helmut Riedl-Tragenreif , opens an external URL in a new window

Associate Prof. Dipl.-Ing. Dr.techn.Helmut Riedl-Tragenreif

Phone: +43 1 58801 30865 Call Helmut Riedl-Tragenreif

Send email to Helmut Riedl-Tragenreif

ORCID iD of Associate Prof. Dipl.-Ing. Dr.techn. Helmut Riedl-Tragenreif , opens an external URL in a new window

Research profile of Associate Prof. Dipl.-Ing. Dr.techn. Helmut Riedl-Tragenreif , opens an external URL in a new window

Name	Purpose	Lifetime	Type	Provider
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SimpleSAML	This is needed to distinguish between the sessions of the logged-in users.	session	HTTP	Login TU Wien
SimpleSAMLAuthToken	This is needed to distinguish between the sessions of the logged-in users.	session	HTTP	Login TU Wien
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staticfilecache	Is needed to optimize the delivery time of the website.	session	HTTP	Homepage TU Wien
JESSIONSID	Is needed so that in case of a LectureTube the session ID is recognized to grant access to protected areas.	session	HTTP	LectureTube TU Wien
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Name	Purpose	Lifetime	Type	Provider
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_pk_ses	Is needed to store temporary data of the visit.	30 minutes	HTML	Matomo TU Wien

Name	Purpose	Lifetime	Type	Provider
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fbm	Is needed to store account data (marketing/tracking).	1 year	HTTP	Meta
xs	Is needed to store a unique session ID (marketing/tracking).	1 year	HTTP	Meta
wd	Is needed to log the screen resolution.	1 week	HTTP	Meta
fr	Is needed to serve ads and measure and improve their relevance.	3 months	HTTP	Meta
act	Is needed to store logged in users (marketing/tracking).	90 days	HTTP	Meta
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datr	Is needed to identify the browser for security and website integrity purposes, including account recovery and identification of potentially compromised accounts.	2 years	HTTP	Meta
dpr	Is used for analysis purposes. Technical parameters are logged (e.g. aspect ratio and dimensions of the screen) so that Facebook apps can be displayed correctly.	1 week	HTTP	Meta
sb	Is needed to store browser details and security information of the Facebook account.	2 years	HTTP	Meta
dbln	Is needed to store browser details and security information of the Facebook account.	2 years	HTTP	Meta
spin	Is needed for promotional purposes and social campaign reporting.	session	HTTP	Meta
presence	Contains the "chat" status of logged in users.	1 month	HTTP	Meta
cppo	Is needed for statistical purposes.	90 days	HTTP	Meta
locale	Is needed to save the language settings.	session	HTTP	Meta
pl	Required for Facebook Pixel.	2 years	HTTP	Meta
lu	Required for Facebook Pixel.	2 years	HTTP	Meta
c_user	Required for Facebook Pixel.	3 months	HTTP	Meta
bcookie	Is needed to store browser data (marketing/tracking).	2 years	HTTP	LinkedIn
li_oatml	Is needed to identify LinkedIn members outside of LinkedIn for advertising and analytics purposes.	1 month	HTTP	LinkedIn
BizographicsOptOut	Is needed to save privacy settings.	10 years	HTTP	LinkedIn
li_sugr	Is needed to store browser data (marketing/tracking).	3 months	HTTP	LinkedIn
UserMatchHistory	Is needed to provide advertising or retargeting (marketing/tracking).	30 days	HTTP	LinkedIn
linkedin_oauth_	Is needed to provide cross-page functionality.	session	HTTP	LinkedIn
lidc	Is needed to store performed actions on the website (marketing/tracking).	1 day	HTTP	LinkedIn
bscookie	Is needed to store performed actions on the website (marketing/tracking).	2 years	HTTP	LinkedIn
X-LI-IDC	Is needed to provide cross-page functionality (marketing/tracking).	session	HTTP	LinkedIn
AnalyticsSyncHistory	Stores the time when the user was synchronized with the "lms_analytics" cookie.	30 days	HTTP	LinkedIn
lms_ads	Is needed to identify LinkedIn members outside of LinkedIn.	30 days	HTTP	LinkedIn
lms_analytics	Is needed to identify LinkedIn members for analytics purposes.	30 days	HTTP	LinkedIn
li_fat_id	Required for indirect member identification used for conversion tracking, retargeting and analytics.	30 days	HTTP	LinkedIn
U	Is needed to identify the browser.	3 months	HTTP	LinkedIn
_guid	Is needed to identify a LinkedIn member for advertising via Google Ads.	90 days	HTTP	LinkedIn