IELTS Writing Samples Band 4

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The present work deals with the effect of heat treatments including direct aging (DA), solutionzing (ST) and solutionizing + aging (T6) on mechanical and microstructural evolution of selective laser-melted AlSi10Mg alloy at room and elevated temperature simultaneously. The DA heat treatment badly damaged the plasticity and UTS of AlSi10Mg at room temperature because of the formation of nano Si precipitates despite the improvement of YS. Also, After ST and T6 heat treatment, various porosities were observed which was due to dissolving cellular structure which acted as efficient barriers for the coalescence and movement of small pores which primarily exist because of trapped gasses flaw defect during selective laser melting process. In respect of high temperature mechanical properties at maximum servicing temperature of AlSi10Mg alloy (~200°C), the as built and directly aged specimens have better performance than the solution treated and T6-aged ones. This was attributed to the presen...
Some people believe that it is not good to put young people in important positions in government. The first is that young people tend to be more reformist and reckless than older people, and therefore more prone to making mistakes. Government, as a machinery, is too sensitive to be left for young people’s trials and errors. Secondly, as they lack the experience, the diplomatic insight and the intuitiveness of older politicians. and government is a matter of practical expertise , it differs on a case-to-case basis and requires the kind of intelligence that only comes from ages of experience in the field.
Dear Mr. Smith, Our company is glad to have a high-tech partner like yours and we appreciate your confidence in our work. Unfortunally yesterday our Bogota Office Manger was a transit accident, and he’s under medical care in Colina Hospital, because that I need change the details about our meeting, please receive a sincerely apologize, but that things is out of our control. Because that I want to send you the new schedule and place: •Place: Colina Park – downtown Bogota 123 Street. •Time: 8:00 am – Local Time •Participants: Mr. Smith, Mr. Douglas, and Me. •Main Topic: Schlumberger Oil and Gas Project. I hope this changes don’t affect your actual operation in our country by other side I offer you a 20% OFF in the next project start in Mexico City in january 2023 Comunnity School. Above all we hope preserve our good work relation and beggin new projects son. Regards Eduardo Baez
It is unequivocally true that.....(essay topic) is a topic of heavy discussion in today's society. In this treatise, I will elaborate about .....(question 1) and also rationalize my conviction for....( question 2. If one question is opinion, clearly mention ur ioinion as to which side u r on)
Many people are in favor of allowing their teen under 18 to go out post-midnight while others are not a big fan of this idea.
Education as one of the most important aspect of a developed society, has been currently put in a discussion by a lot of people that whether there's a reduction in its standards level or not. This phenomenon can be declared by some causes and at the end probably be solved with a few suggested solutions.
Due to fragile economical issues that happend to the world in recent decades, we can see the results in the quality of people living. Some domestic problems or starting fighting with countries who are enemies are definitely wrong. I believed that is worth it to stop arguing with other governments and pay attention to their people and domestic.
Researches show that a lot of people in the world keen on social medias specially television. According to some other researches striking percent of people learn better with visual memory, so television is a remarkable media to learn from. Spending time for at least two hours in front of TV is much popular nowadays. So immense of quality of TV programs is absolutely important. I should mention that the television has affected the cultural development whether with positive influence or negative.
In this modern and digital era, we are more associated technology and mostly mobile devices like phones , tablets and laptops . Using these devices brings lot of opportunities to advertise. These advertisements come with their positive and negative points, I will discuss my views on the good and bad effects of ads. Firstly , let us discuss that viewing lot of promotions about the products that really are not important . We are stuck in the web of materialised marketing. Due to appealing offers and attractive so-called ",benefits " people often buy lot of needless products . Buying these unnecessary goods increases financial burden on the personnel . Further to this , it is also a waste of money, time and resources that ultimately impacts our environment. For example , the mobile phone with a fan . It is marketed in the name of technology however it was completely impractical and useless. On the other side, some produ...
It is commonly discussed that traffic congestion is metropolis cities’ main issue. This essay supports the idea that is caused by that people tend to buy personal vehicles, and that’s why there are more cars on the streets than roads are designed for. It will be analyzed, that to resolve this problem governments should expand public transportation system.
The diagram explains the participation of both men and women in fitness clubs between 1970 and 2000.
The chart illustrates the categories of each family's spending during a week in comparison between two years 1968 and 2018.
Nowadays there are a lot of people who emigrates from their native country and there is a debate whether individuals culture is defined by their motherland or that has only a minor influence.
People in one century ago who need move in distance may only by horses, but nowadays while technology getting envoluting, there are so many options people can use for travelling. In my own opnion, it is a positive that people can travel by convenient transport system.
Nowadays, the graduates always choose to work in big cities like Shanghai or Beijing. They have to rent an apartment and have to change the residence when they change their jobs. There is a fierce debate about whether it’s a good development or not for employees. In my perspective, the advantages of changing jobs and residences outweigh its disadvantages.
In some countries workers have to retire when they reach a certain age such as 65 in other parts of the world they are encouraged to continue working for as long as the better alternative, are you agree or disagree?
Today many people more than sure that music affects benefits to humans and the public.The advocates of this view argue that music brings high influence of humans physiology.Others, however, disagree believe that the music affected negatively on both.
Fast food is influenced by being fat. Yeah, I agree with this essay. This opinion said about fast feed is good for our bodies.
Immigrationn has a significant impact on the global and local economies. Each year more and more peoplefrom all over the world decide to leave their home country and move to another place. we will examine the reasons and consequences of this immigration. In my opinion the core reason for immigration since the dawn of time is the fundamental desire to live a better life and a safe future. The modernization of the global transport system has fueled this and enabled people from all over the world to migrate to new countries. In general, the main reason for peoplemigrating to another country is to run away from areas of conflict and wars to ensure a safe future for their families. For example following the Arab spring, uprising there has been a surge in migration from many countries like Syria, Tunisia, Egypt, Yemen, and more to Europe. More people especially women live under strict regimes that deny them basic rights to seek a better life women in Afghanistan under the Taliban would w...
In modern times,the issue of governments are contribute local transit like buses and trains unlike build fresh pathway has become highly controversial.From my perspective, there are more advantage than drawbacks as i will outline below
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