Abstract Microbiological methanation is planned in an underground natural gas reservoir. For this purpose, hydrogen stored, which can lead to embrittlement of steels. To simulate these field conditions, autoclave tests were performed clarify the amount absorbed and test whether content leads failure Constant load immersion with subsequent analyses performed. Tests under constant have shown that...

2205 duplex stainless steel suffers poor hot workability, especially whe1981hot-deformed. This investigation aims to determine the strain rate’s effect on material’s dynamic recrystallization after heat treatment. Secondly, ascertain critical at which occurs. The as-rolled material was subjected treatment 1340 °C for some time. After treatment, yielded equiaxed austenite morphology used this in...

Duplex stainless steels are desirable for use in power generation systems because of their attractive combination of strength, corrosion resistance and cost. However, thermal embrittlement at intermediate homologous temperatures of 475 C and below, limits upper service temperatures for many applications. New lean grade duplex alloys have improved thermal stability over standard grades and poten...

In the present study, we evaluated the antitumor effect of two synthetic analogs of vitamin D, namely PRI-2191 [(24R)-1,24-dihydroxyvitamin D3] and PRI-2205 (5,6-trans calcipotriol), in combined human colon HT-29 cancer treatment with 5-fluorouracil (5-FU). Mice bearing HT-29 tumors transplanted subcutaneously or orthotopically were injected with vitamin D analogs and 5-FU in various schedules....