Failures and leak inspection techniques of tube-to-tubesheet joints: a review

DT Thekkuden, AHI Mourad, AH Bouzid - Engineering Failure Analysis, 2021 - Elsevier
The integral components of heat exchangers and in particular the tubes, tubesheets and
tube-to-tubesheet joints have vital roles in the proper functioning of this equipment. Several …

Use of oxide nanoparticles and organoclays to improve thermal stability and fire retardancy of poly (methyl methacrylate)

A Laachachi, E Leroy, M Cochez, M Ferriol… - Polymer Degradation …, 2005 - Elsevier
Nanocomposites of PMMA–oxide (oxide: nanoparticles of TiO2 or Fe2O3), PMMA–
organoclays (organomodified montmorillonite: OMMT) and PMMA–oxide–OMMT were …

[PDF][PDF] Problem, failure and safety analysis of ammonia plant: a review

M Ojha, AK Dhiman - International Review of Chemical Engineering, 2010 - hristov.com
Ammonia is produced on large scale mainly for production of fertilizers using steam
reforming of natural gas. Capacity of single stream has gone upto 4000 tpd. Large release of …

Corrosion-related failures in heat exchangers

M Ali, A Ul-Hamid, T Khan, A Bake, H Butt… - Corrosion …, 2021 - degruyter.com
Corrosion is the primary cause of failure of heat exchangers in industry, especially in the oil
and petrochemical sector. The modes of failure related to corrosion include erosion …

Effect of Al2O3 and TiO2 nanoparticles and APP on thermal stability and flame retardance of PMMA

A Laachachi, M Cochez, E Leroy… - Polymers for …, 2006 - Wiley Online Library
Ammonium polyphosphate (APP)‐based additives and Al2O3 and TiO2 nanoparticles have
been incorporated separately or combined at a 15 wt% global percentage in poly (methyl …

Failure analysis of heat exchanger using eddy current testing (ECT)

MF Saffiudeen, A Syed, FT Mohammed - Journal of Failure Analysis and …, 2023 - Springer
Shell and tube heat exchangers are widely used in the oil and gas, petrochemical and
nuclear power sectors. The most important aspect of the turnaround is the routine testing …

Inherently safer design for heat exchanger network

M Pasha, D Zaini, AM Shariff - Journal of Loss Prevention in the Process …, 2017 - Elsevier
The failure of shell and tube heat exchangers is a chronic problem in the chemical process
industries. Meager safety analysis and lack of inherently safer design considerations are …

Tentative links between thermal diffusivity and fire-retardant properties in poly (methyl methacrylate)–metal oxide nanocomposites

B Friederich, A Laachachi, M Ferriol, D Ruch… - … degradation and stability, 2010 - Elsevier
Possible relationships between fire-retardant properties and thermal diffusivity for poly
(methyl methacrylate)(PMMA) filled by melt blending with titanium dioxide (TiO2), alumina …

[HTML][HTML] Failure analysis on unexpected wall thinning of heat-exchange tubes in ammonia evaporators

SM Hu, SH Wang, ZG Yang - Case Studies in Engineering Failure Analysis, 2015 - Elsevier
A failure incident of heat-exchange tubes in ammonia evaporators, which suffered from
unexpected wall thinning after only one-year service with respect to their original design …

[PDF][PDF] Polyphosphate performance for inhibiting corrosion of heat exchanger materials

A Nikitasari, G Priyotomo, A Royani - International Journal of …, 2020 - researchgate.net
The inhibitive performance of polyphosphate on the corrosion of heat exchanger materials,
ie, carbon steel A192 and C1015, in ammonia plant was explored. This research analyzed …